diff --git a/fixtures/attendees.yaml b/fixtures/attendees.yaml
index 676d520..8b4f922 100644
--- a/fixtures/attendees.yaml
+++ b/fixtures/attendees.yaml
@@ -1,11 +1,11 @@
 App\Entity\Attendee:
     attendee_1:
-        __construct: [ '02d47053-4034-4818-97d1-299c4cd7168d', 'Ferdinand', 'Hale', 'ferdinand@hale.com' ]
+        __construct: [ '02d47053-4034-4818-97d1-299c4cd7168d', 'Ferdinand', 'Hale', 'Ferdinand Hale', 'ferdinand@hale.com' ]
     attendee_2:
-        __construct: [ '6047c255-593f-4fa8-888b-f919fafd904f', 'Abraham', 'Noel', 'abraham@noel.com' ]
+        __construct: [ '6047c255-593f-4fa8-888b-f919fafd904f', 'Abraham', 'Noel', 'Abraham Noel', 'abraham@noel.com' ]
     attendee_3:
-        __construct: [ '92e06a4b-19ac-4e67-b988-00e7250929c6', 'Bertha', 'Tucker', 'bertha@tucker.com' ]
+        __construct: [ '92e06a4b-19ac-4e67-b988-00e7250929c6', 'Bertha', 'Tucker', 'Bertha Tucker', 'bertha@tucker.com' ]
     attendee_4:
-        __construct: [ 'c153c6c3-c43b-449d-8f5a-2bfb627f9822', 'Melodie', 'Perkins', 'melodie@perkins.com' ]
+        __construct: [ 'c153c6c3-c43b-449d-8f5a-2bfb627f9822', 'Melodie', 'Perkins', 'Melodie Perkins', 'melodie@perkins.com' ]
     attendee_5:
-        __construct: [ 'f5e2c329-f5b8-4e4b-860d-b5a0189ef35f', 'Keegan', 'Mcpherson', 'keegan@mcpherson.com' ]
+        __construct: [ 'f5e2c329-f5b8-4e4b-860d-b5a0189ef35f', 'Keegan', 'Mcpherson', 'Keegan Mcpherson', 'keegan@mcpherson.com' ]
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 58120ff..277669b 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -17,6 +17,7 @@
     <!-- DATABASE_URL="mysql://app:!ChangeMe!@127.0.0.1:3306/app?serverVersion=10.11.2-MariaDB&charset=utf8mb4" -->
     <env name="DATABASE_URL" value="sqlite:///%kernel.project_dir%/var/data.db"/>
     <!-- ###- doctrine/doctrine-bundle ### -->
+    <env name="SYMFONY_DEPRECATIONS_HELPER" value="disabled"/>
   </php>
   <testsuites>
     <testsuite name="Project Test Suite">
diff --git a/src/Controller/Attendee/UpdateController.php b/src/Controller/Attendee/UpdateController.php
index 856ef57..04df757 100644
--- a/src/Controller/Attendee/UpdateController.php
+++ b/src/Controller/Attendee/UpdateController.php
@@ -15,7 +15,11 @@
 
 #[IsGranted('ROLE_USER')]
 #[Route('/attendees/{identifier}', name: 'update_attendee', methods: ['PUT'])]
-#[OA\Put(tags: ['Attendee'])]
+#[OA\Put(
+    description: 'This endpoint is deprecated, please don\'t rely on it anymore.',
+    tags: ['Attendee'],
+    deprecated: true
+)]
 final class UpdateController
 {
     public function __construct(
@@ -27,6 +31,8 @@ public function __invoke(Request $request, Attendee $attendee, UpdateAttendeeMod
     {
         $this->attendeeUpdater->update($attendee, $updateAttendeeModel);
 
-        return new Response(null, Response::HTTP_NO_CONTENT);
+        return new Response(null, Response::HTTP_NO_CONTENT, [
+            'Sunset' => (new \DateTime())->modify('+ 1 year')->format(DATE_RFC7231), // HTTP Date by RFC 7231
+        ]);
     }
 }
diff --git a/src/Domain/AttendeeCreator.php b/src/Domain/AttendeeCreator.php
index bb4eda4..c8e8482 100644
--- a/src/Domain/AttendeeCreator.php
+++ b/src/Domain/AttendeeCreator.php
@@ -20,8 +20,9 @@ public function create(CreateAttendeeModel $createAttendeeModel): Attendee
     {
         $newAttendee = new Attendee(
             Uuid::uuid4()->toString(),
-            $createAttendeeModel->firstname,
-            $createAttendeeModel->lastname,
+            $createAttendeeModel->firstname ?? '',
+            $createAttendeeModel->lastname ?? '',
+            $createAttendeeModel->name ?? '',
             $createAttendeeModel->email,
         );
 
diff --git a/src/Domain/Model/CreateAttendeeModel.php b/src/Domain/Model/CreateAttendeeModel.php
index 691675c..e6cbd55 100644
--- a/src/Domain/Model/CreateAttendeeModel.php
+++ b/src/Domain/Model/CreateAttendeeModel.php
@@ -4,18 +4,45 @@
 
 namespace App\Domain\Model;
 
+use OpenApi\Attributes as OA;
+use Symfony\Component\Validator\Constraints\Callback;
 use Symfony\Component\Validator\Constraints\Email;
 use Symfony\Component\Validator\Constraints\NotBlank;
+use Symfony\Component\Validator\Context\ExecutionContextInterface;
 
 final class CreateAttendeeModel
 {
-    #[NotBlank]
+    // be aware that deprecating properties means you still need to support both ways of creating attendees
+    // and that you need to move validation into your domain layer
+
+    #[OA\Property(
+        deprecated: true,
+        description: 'Property firstname is deprecated, use property name instead.'
+    )]
+    #[NotBlank(allowNull: true)]
     public string $firstname;
 
-    #[NotBlank]
+    #[OA\Property(
+        deprecated: true,
+        description: 'Property lastname is deprecated, use property name instead.'
+    )]
+    #[NotBlank(allowNull: true)]
     public string $lastname;
 
+    #[NotBlank(allowNull: true)]
+    public string $name;
+
     #[NotBlank]
     #[Email]
     public string $email;
+
+    #[Callback]
+    public function validate(ExecutionContextInterface $context, $payload)
+    {
+        if ((empty($this->firstname) || empty($this->lastname)) && empty($this->name)) {
+            $context->buildViolation('Passing values for fields "$firstname" and "$lastname" is deprecated. Pass a value for field "$name" instead.')
+                ->atPath('firstname')
+                ->addViolation();
+        }
+    }
 }
diff --git a/src/Entity/Attendee.php b/src/Entity/Attendee.php
index 4aba52c..97fd3a3 100644
--- a/src/Entity/Attendee.php
+++ b/src/Entity/Attendee.php
@@ -31,20 +31,35 @@ class Attendee
     #[ORM\Column(type: 'string', length: 255)]
     private string $lastname;
 
+    #[ORM\Column(type: 'string', length: 255)]
+    private string $name;
+
     #[ORM\Column(type: 'string', length: 255)]
     private string $email;
 
     #[ORM\ManyToMany(targetEntity: Workshop::class, inversedBy: 'attendees')]
     private Collection $workshops;
 
-    public function __construct(string $identifier, string $firstname, string $lastname, string $email)
+    public function __construct(string $identifier, string $firstname, string $lastname, string $name, string $email)
     {
+        if ((!empty($firstname) || !empty($lastname)) && empty($name)) {
+            @trigger_error('Passing values for argument "$firstname" or "$lastname" is deprecated. Pass a value for argument "$name" instead.', E_USER_DEPRECATED);
+        }
+
         Assert::uuid($identifier, 'Argument $identifier is not a valid UUID: %s');
+
+        if ((empty($firstname) || empty($lastname)) && empty($name)) {
+            throw new \InvalidArgumentException('Passing values for argument "$firstname" and "$lastname" is deprecated. Pass a value for argument "$name" instead.');
+        }
+
         Assert::email($email);
 
         $this->identifier = Uuid::fromString($identifier);
         $this->firstname = $firstname;
         $this->lastname = $lastname;
+
+        $this->name = empty($name) ? $firstname.' '.$lastname : $name;
+
         $this->email = $email;
 
         $this->workshops = new ArrayCollection();
@@ -62,6 +77,8 @@ public function getIdentifier(): string
 
     public function getFirstname(): string
     {
+        @trigger_error('Calling Attendee::getFirstname() is deprecated. Use Attendee::getName()', E_USER_DEPRECATED);
+
         return $this->firstname;
     }
 
@@ -74,6 +91,8 @@ public function changeFirstname(string $firstname): self
 
     public function getLastname(): string
     {
+        @trigger_error('Calling Attendee::getLastname() is deprecated. Use Attendee::getName()', E_USER_DEPRECATED);
+
         return $this->lastname;
     }
 
@@ -84,6 +103,11 @@ public function changeLastname(string $lastname): self
         return $this;
     }
 
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
     public function getEmail(): string
     {
         return $this->email;
diff --git a/tests/Controller/Attendee/CreateControllerTest.php b/tests/Controller/Attendee/CreateControllerTest.php
index 44c26db..efee03d 100644
--- a/tests/Controller/Attendee/CreateControllerTest.php
+++ b/tests/Controller/Attendee/CreateControllerTest.php
@@ -36,6 +36,7 @@ public function test_it_should_create_an_attendee(): void
         $expectedAttendee = $attendeesAfter[0];
         static::assertSame('Paul', $expectedAttendee->getFirstname());
         static::assertSame('Paulsen', $expectedAttendee->getLastname());
+        static::assertSame('Paul Paulsen', $expectedAttendee->getName());
         static::assertSame('paul@paulsen.de', $expectedAttendee->getEmail());
     }
 
@@ -57,9 +58,9 @@ public static function provideUnprocessableAttendeeData(): \Generator
         yield 'empty data' => ['{}'];
         yield 'wrong json one' => ['{'];
         yield 'wrong json two' => ['}'];
-        yield 'missing firstname' => ['{"lastname": "Paulsen", "email": "paul@paulsen.de"}'];
-        yield 'missing lastname' => ['{"firstname": "Paul", "email": "paul@paulsen.de"}'];
-        yield 'missing email' => ['{"firstname": "Paul", "lastname": "Paulsen"}'];
-        yield 'wrong email' => ['{"firstname": "Paul", "lastname": "Paulsen", "email": "paulpaulsende"}'];
+        yield 'missing firstname and missing name' => ['{"lastname": "Paulsen", "email": "paul@paulsen.de"}'];
+        yield 'missing lastname and missing name' => ['{"firstname": "Paul", "email": "paul@paulsen.de"}'];
+        yield 'missing email' => ['{"name": "Paul Paulsen"}'];
+        yield 'wrong email' => ['{"name": "Paul Paulsen", "email": "paulpaulsende"}'];
     }
 }
diff --git a/tests/Controller/Attendee/__snapshots__/CreateControllerTest__test_it_should_throw_an_UnprocessableEntityHttpException with data set empty data__1.json b/tests/Controller/Attendee/__snapshots__/CreateControllerTest__test_it_should_throw_an_UnprocessableEntityHttpException with data set empty data__1.json
index eef3e75..cdc842d 100644
--- a/tests/Controller/Attendee/__snapshots__/CreateControllerTest__test_it_should_throw_an_UnprocessableEntityHttpException with data set empty data__1.json	
+++ b/tests/Controller/Attendee/__snapshots__/CreateControllerTest__test_it_should_throw_an_UnprocessableEntityHttpException with data set empty data__1.json	
@@ -2,11 +2,7 @@
     "errors": [
         {
             "message": "Validation failed.",
-            "detail": "firstname: This value should not be blank."
-        },
-        {
-            "message": "Validation failed.",
-            "detail": "lastname: This value should not be blank."
+            "detail": "firstname: Passing values for fields \"$firstname\" and \"$lastname\" is deprecated. Pass a value for field \"$name\" instead."
         },
         {
             "message": "Validation failed.",
diff --git a/tests/Controller/Attendee/__snapshots__/CreateControllerTest__test_it_should_throw_an_UnprocessableEntityHttpException with data set missing firstname and missing name__1.json b/tests/Controller/Attendee/__snapshots__/CreateControllerTest__test_it_should_throw_an_UnprocessableEntityHttpException with data set missing firstname and missing name__1.json
new file mode 100644
index 0000000..ed58a3c
--- /dev/null
+++ b/tests/Controller/Attendee/__snapshots__/CreateControllerTest__test_it_should_throw_an_UnprocessableEntityHttpException with data set missing firstname and missing name__1.json	
@@ -0,0 +1,8 @@
+{
+    "errors": [
+        {
+            "message": "Validation failed.",
+            "detail": "firstname: Passing values for fields \"$firstname\" and \"$lastname\" is deprecated. Pass a value for field \"$name\" instead."
+        }
+    ]
+}
diff --git a/tests/Controller/Attendee/__snapshots__/CreateControllerTest__test_it_should_throw_an_UnprocessableEntityHttpException with data set missing lastname and missing name__1.json b/tests/Controller/Attendee/__snapshots__/CreateControllerTest__test_it_should_throw_an_UnprocessableEntityHttpException with data set missing lastname and missing name__1.json
new file mode 100644
index 0000000..ed58a3c
--- /dev/null
+++ b/tests/Controller/Attendee/__snapshots__/CreateControllerTest__test_it_should_throw_an_UnprocessableEntityHttpException with data set missing lastname and missing name__1.json	
@@ -0,0 +1,8 @@
+{
+    "errors": [
+        {
+            "message": "Validation failed.",
+            "detail": "firstname: Passing values for fields \"$firstname\" and \"$lastname\" is deprecated. Pass a value for field \"$name\" instead."
+        }
+    ]
+}
diff --git a/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_list_all_attendees with data set haljson__1.json b/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_list_all_attendees with data set haljson__1.json
index 543aa13..4f55c24 100644
--- a/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_list_all_attendees with data set haljson__1.json	
+++ b/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_list_all_attendees with data set haljson__1.json	
@@ -4,6 +4,7 @@
             "identifier": "803449f4-9a4c-4ecb-8ce4-cebc804fe70a",
             "firstname": "Jan",
             "lastname": "Sch\u00e4dlich",
+            "name": "Jan Sch\u00e4dlich",
             "email": "schaedlich.jan@gmail.com",
             "workshops": [
                 {
diff --git a/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_list_all_attendees with data set json__1.json b/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_list_all_attendees with data set json__1.json
index aef2fdc..908c4f8 100644
--- a/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_list_all_attendees with data set json__1.json	
+++ b/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_list_all_attendees with data set json__1.json	
@@ -4,6 +4,7 @@
             "identifier": "803449f4-9a4c-4ecb-8ce4-cebc804fe70a",
             "firstname": "Jan",
             "lastname": "Sch\u00e4dlich",
+            "name": "Jan Sch\u00e4dlich",
             "email": "schaedlich.jan@gmail.com",
             "workshops": [
                 {
diff --git a/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_paginate_attendees with data set show 1st page, 3 items each__1.json b/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_paginate_attendees with data set show 1st page, 3 items each__1.json
index c7a3368..04a88ea 100644
--- a/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_paginate_attendees with data set show 1st page, 3 items each__1.json	
+++ b/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_paginate_attendees with data set show 1st page, 3 items each__1.json	
@@ -4,6 +4,7 @@
             "identifier": "4878f198-36ab-4fe3-8189-19662a9764fa",
             "firstname": "a",
             "lastname": "1",
+            "name": "a1",
             "email": "a1@test.de",
             "workshops": []
         },
@@ -11,6 +12,7 @@
             "identifier": "e942ce16-27c2-494f-9d93-03412da980c5",
             "firstname": "b",
             "lastname": "2",
+            "name": "b2",
             "email": "b2@test.de",
             "workshops": []
         },
@@ -18,6 +20,7 @@
             "identifier": "4714fb8a-83d8-49af-abbf-7c68fc6c9656",
             "firstname": "c",
             "lastname": "3",
+            "name": "c3",
             "email": "c3@test.de",
             "workshops": []
         }
diff --git a/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_paginate_attendees with data set show 1st page, 5 items each__1.json b/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_paginate_attendees with data set show 1st page, 5 items each__1.json
index f6ffe29..2e8f6c8 100644
--- a/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_paginate_attendees with data set show 1st page, 5 items each__1.json	
+++ b/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_paginate_attendees with data set show 1st page, 5 items each__1.json	
@@ -4,6 +4,7 @@
             "identifier": "4878f198-36ab-4fe3-8189-19662a9764fa",
             "firstname": "a",
             "lastname": "1",
+            "name": "a1",
             "email": "a1@test.de",
             "workshops": []
         },
@@ -11,6 +12,7 @@
             "identifier": "e942ce16-27c2-494f-9d93-03412da980c5",
             "firstname": "b",
             "lastname": "2",
+            "name": "b2",
             "email": "b2@test.de",
             "workshops": []
         },
@@ -18,6 +20,7 @@
             "identifier": "4714fb8a-83d8-49af-abbf-7c68fc6c9656",
             "firstname": "c",
             "lastname": "3",
+            "name": "c3",
             "email": "c3@test.de",
             "workshops": []
         },
@@ -25,6 +28,7 @@
             "identifier": "65445e8c-a6c6-4955-9eb2-5fb60d6a991e",
             "firstname": "d",
             "lastname": "4",
+            "name": "d4",
             "email": "d4@test.de",
             "workshops": []
         },
@@ -32,6 +36,7 @@
             "identifier": "3aacd688-5b81-4aba-a5ea-ac7668ba95b6",
             "firstname": "e",
             "lastname": "5",
+            "name": "e5",
             "email": "e5@test.de",
             "workshops": []
         }
diff --git a/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_paginate_attendees with data set show 2nd page, 3 items each__1.json b/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_paginate_attendees with data set show 2nd page, 3 items each__1.json
index dd26fbd..19acf7c 100644
--- a/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_paginate_attendees with data set show 2nd page, 3 items each__1.json	
+++ b/tests/Controller/Attendee/__snapshots__/ListControllerTest__test_it_should_paginate_attendees with data set show 2nd page, 3 items each__1.json	
@@ -4,6 +4,7 @@
             "identifier": "65445e8c-a6c6-4955-9eb2-5fb60d6a991e",
             "firstname": "d",
             "lastname": "4",
+            "name": "d4",
             "email": "d4@test.de",
             "workshops": []
         },
@@ -11,6 +12,7 @@
             "identifier": "3aacd688-5b81-4aba-a5ea-ac7668ba95b6",
             "firstname": "e",
             "lastname": "5",
+            "name": "e5",
             "email": "e5@test.de",
             "workshops": []
         }
diff --git a/tests/Controller/Attendee/__snapshots__/ReadControllerTest__test_it_should_show_requested_attendee with data set haljson__1.json b/tests/Controller/Attendee/__snapshots__/ReadControllerTest__test_it_should_show_requested_attendee with data set haljson__1.json
index 2388fd4..f73234b 100644
--- a/tests/Controller/Attendee/__snapshots__/ReadControllerTest__test_it_should_show_requested_attendee with data set haljson__1.json	
+++ b/tests/Controller/Attendee/__snapshots__/ReadControllerTest__test_it_should_show_requested_attendee with data set haljson__1.json	
@@ -2,6 +2,7 @@
     "identifier": "17058af8-1b0f-4afe-910d-669b4bd0fd26",
     "firstname": "Jan",
     "lastname": "Sch\u00e4dlich",
+    "name": "Jan Sch\u00e4dlich",
     "email": "schaedlich.jan@gmail.com",
     "workshops": [
         {
diff --git a/tests/Controller/Attendee/__snapshots__/ReadControllerTest__test_it_should_show_requested_attendee with data set json__1.json b/tests/Controller/Attendee/__snapshots__/ReadControllerTest__test_it_should_show_requested_attendee with data set json__1.json
index 763a24e..5a9faf5 100644
--- a/tests/Controller/Attendee/__snapshots__/ReadControllerTest__test_it_should_show_requested_attendee with data set json__1.json	
+++ b/tests/Controller/Attendee/__snapshots__/ReadControllerTest__test_it_should_show_requested_attendee with data set json__1.json	
@@ -2,6 +2,7 @@
     "identifier": "17058af8-1b0f-4afe-910d-669b4bd0fd26",
     "firstname": "Jan",
     "lastname": "Sch\u00e4dlich",
+    "name": "Jan Sch\u00e4dlich",
     "email": "schaedlich.jan@gmail.com",
     "workshops": [
         {
diff --git a/tests/Controller/Attendee/fixtures/delete_attendee.yaml b/tests/Controller/Attendee/fixtures/delete_attendee.yaml
index dbecb1e..51e60b9 100644
--- a/tests/Controller/Attendee/fixtures/delete_attendee.yaml
+++ b/tests/Controller/Attendee/fixtures/delete_attendee.yaml
@@ -1,3 +1,3 @@
 App\Entity\Attendee:
     attendee_1:
-        __construct: [ 'bb5cb8a8-0df8-404f-a3f3-54ee5c9cf855', 'Jan', 'Schädlich', 'schaedlich.jan@gmail.com' ]
+        __construct: [ 'bb5cb8a8-0df8-404f-a3f3-54ee5c9cf855', 'Jan', 'Schädlich', 'Jan Schädlich', 'schaedlich.jan@gmail.com' ]
diff --git a/tests/Controller/Attendee/fixtures/list_attendee.yaml b/tests/Controller/Attendee/fixtures/list_attendee.yaml
index 7381a6a..305c037 100644
--- a/tests/Controller/Attendee/fixtures/list_attendee.yaml
+++ b/tests/Controller/Attendee/fixtures/list_attendee.yaml
@@ -6,4 +6,4 @@ App\Entity\Workshop:
 
 App\Entity\Attendee:
     attendee_1:
-        __construct: [ '803449f4-9a4c-4ecb-8ce4-cebc804fe70a', 'Jan', 'Schädlich', 'schaedlich.jan@gmail.com' ]
+        __construct: [ '803449f4-9a4c-4ecb-8ce4-cebc804fe70a', 'Jan', 'Schädlich', 'Jan Schädlich', 'schaedlich.jan@gmail.com' ]
diff --git a/tests/Controller/Attendee/fixtures/paginate_attendee.yaml b/tests/Controller/Attendee/fixtures/paginate_attendee.yaml
index 0762258..1c5712f 100644
--- a/tests/Controller/Attendee/fixtures/paginate_attendee.yaml
+++ b/tests/Controller/Attendee/fixtures/paginate_attendee.yaml
@@ -1,11 +1,11 @@
 App\Entity\Attendee:
     attendee_1:
-        __construct: [ '4878f198-36ab-4fe3-8189-19662a9764fa', 'a', '1', 'a1@test.de' ]
+        __construct: [ '4878f198-36ab-4fe3-8189-19662a9764fa', 'a', '1', 'a1', 'a1@test.de' ]
     attendee_2:
-        __construct: [ 'e942ce16-27c2-494f-9d93-03412da980c5', 'b', '2', 'b2@test.de' ]
+        __construct: [ 'e942ce16-27c2-494f-9d93-03412da980c5', 'b', '2', 'b2', 'b2@test.de' ]
     attendee_3:
-        __construct: [ '4714fb8a-83d8-49af-abbf-7c68fc6c9656', 'c', '3', 'c3@test.de' ]
+        __construct: [ '4714fb8a-83d8-49af-abbf-7c68fc6c9656', 'c', '3', 'c3', 'c3@test.de' ]
     attendee_4:
-        __construct: [ '65445e8c-a6c6-4955-9eb2-5fb60d6a991e', 'd', '4', 'd4@test.de' ]
+        __construct: [ '65445e8c-a6c6-4955-9eb2-5fb60d6a991e', 'd', '4', 'd4', 'd4@test.de' ]
     attendee_5:
-        __construct: [ '3aacd688-5b81-4aba-a5ea-ac7668ba95b6', 'e', '5', 'e5@test.de' ]
+        __construct: [ '3aacd688-5b81-4aba-a5ea-ac7668ba95b6', 'e', '5', 'e5', 'e5@test.de' ]
diff --git a/tests/Controller/Attendee/fixtures/read_attendee.yaml b/tests/Controller/Attendee/fixtures/read_attendee.yaml
index 8e5ab2c..03e8e34 100644
--- a/tests/Controller/Attendee/fixtures/read_attendee.yaml
+++ b/tests/Controller/Attendee/fixtures/read_attendee.yaml
@@ -6,4 +6,4 @@ App\Entity\Workshop:
 
 App\Entity\Attendee:
     attendee_1:
-        __construct: [ '17058af8-1b0f-4afe-910d-669b4bd0fd26', 'Jan', 'Schädlich', 'schaedlich.jan@gmail.com' ]
+        __construct: [ '17058af8-1b0f-4afe-910d-669b4bd0fd26', 'Jan', 'Schädlich', 'Jan Schädlich', 'schaedlich.jan@gmail.com' ]
diff --git a/tests/Controller/Attendee/fixtures/update_attendee.yaml b/tests/Controller/Attendee/fixtures/update_attendee.yaml
index 9d806bf..f354065 100644
--- a/tests/Controller/Attendee/fixtures/update_attendee.yaml
+++ b/tests/Controller/Attendee/fixtures/update_attendee.yaml
@@ -1,3 +1,3 @@
 App\Entity\Attendee:
     attendee_1:
-        __construct: [ 'b38aa3e4-f9de-4dca-aaeb-3ec36a9feb6c', 'Jan', 'Schädlich', 'schaedlich.jan@gmail.com' ]
+        __construct: [ 'b38aa3e4-f9de-4dca-aaeb-3ec36a9feb6c', 'Jan', 'Schädlich', 'Jan Schädlich', 'schaedlich.jan@gmail.com' ]
diff --git a/tests/Controller/Workshop/__snapshots__/ListControllerTest__test_it_should_list_all_workshops with data set haljson__1.json b/tests/Controller/Workshop/__snapshots__/ListControllerTest__test_it_should_list_all_workshops with data set haljson__1.json
index ce823b4..26abc43 100644
--- a/tests/Controller/Workshop/__snapshots__/ListControllerTest__test_it_should_list_all_workshops with data set haljson__1.json	
+++ b/tests/Controller/Workshop/__snapshots__/ListControllerTest__test_it_should_list_all_workshops with data set haljson__1.json	
@@ -9,6 +9,7 @@
                     "identifier": "2a451d60-2fef-437b-838e-10edb2ade8eb",
                     "firstname": "Jan",
                     "lastname": "Sch\u00e4dlich",
+                    "name": "Jan Sch\u00e4dlich",
                     "email": "schaedlich.jan@gmail.com",
                     "workshops": [
                         "RESTful Webservices in Symfony"
diff --git a/tests/Controller/Workshop/__snapshots__/ListControllerTest__test_it_should_list_all_workshops with data set json__1.json b/tests/Controller/Workshop/__snapshots__/ListControllerTest__test_it_should_list_all_workshops with data set json__1.json
index 46094b5..41ade64 100644
--- a/tests/Controller/Workshop/__snapshots__/ListControllerTest__test_it_should_list_all_workshops with data set json__1.json	
+++ b/tests/Controller/Workshop/__snapshots__/ListControllerTest__test_it_should_list_all_workshops with data set json__1.json	
@@ -9,6 +9,7 @@
                     "identifier": "2a451d60-2fef-437b-838e-10edb2ade8eb",
                     "firstname": "Jan",
                     "lastname": "Sch\u00e4dlich",
+                    "name": "Jan Sch\u00e4dlich",
                     "email": "schaedlich.jan@gmail.com",
                     "workshops": [
                         "RESTful Webservices in Symfony"
diff --git a/tests/Controller/Workshop/__snapshots__/ReadControllerTest__test_it_should_show_requested_workshop with data set haljson__1.json b/tests/Controller/Workshop/__snapshots__/ReadControllerTest__test_it_should_show_requested_workshop with data set haljson__1.json
index bd4a30c..fd79d35 100644
--- a/tests/Controller/Workshop/__snapshots__/ReadControllerTest__test_it_should_show_requested_workshop with data set haljson__1.json	
+++ b/tests/Controller/Workshop/__snapshots__/ReadControllerTest__test_it_should_show_requested_workshop with data set haljson__1.json	
@@ -7,6 +7,7 @@
             "identifier": "36ffcf19-7560-4ead-8d8e-3c40cf169784",
             "firstname": "Jan",
             "lastname": "Sch\u00e4dlich",
+            "name": "Jan Sch\u00e4dlich",
             "email": "schaedlich.jan@gmail.com",
             "workshops": [
                 "RESTful Webservices in Symfony"
diff --git a/tests/Controller/Workshop/__snapshots__/ReadControllerTest__test_it_should_show_requested_workshop with data set json__1.json b/tests/Controller/Workshop/__snapshots__/ReadControllerTest__test_it_should_show_requested_workshop with data set json__1.json
index 0bb7af6..7c65c50 100644
--- a/tests/Controller/Workshop/__snapshots__/ReadControllerTest__test_it_should_show_requested_workshop with data set json__1.json	
+++ b/tests/Controller/Workshop/__snapshots__/ReadControllerTest__test_it_should_show_requested_workshop with data set json__1.json	
@@ -7,6 +7,7 @@
             "identifier": "36ffcf19-7560-4ead-8d8e-3c40cf169784",
             "firstname": "Jan",
             "lastname": "Sch\u00e4dlich",
+            "name": "Jan Sch\u00e4dlich",
             "email": "schaedlich.jan@gmail.com",
             "workshops": [
                 "RESTful Webservices in Symfony"
diff --git a/tests/Controller/Workshop/fixtures/add_attendee_to_workshop.yaml b/tests/Controller/Workshop/fixtures/add_attendee_to_workshop.yaml
index 43c6f2e..57ed46e 100644
--- a/tests/Controller/Workshop/fixtures/add_attendee_to_workshop.yaml
+++ b/tests/Controller/Workshop/fixtures/add_attendee_to_workshop.yaml
@@ -4,4 +4,4 @@ App\Entity\Workshop:
 
 App\Entity\Attendee:
     attendee_1:
-        __construct: [ 'e9a95edb-9b49-42f4-bf2d-7206fd65bc94', 'Jan', 'Schädlich', 'schaedlich.jan@gmail.com' ]
+        __construct: [ 'e9a95edb-9b49-42f4-bf2d-7206fd65bc94', 'Jan', 'Schädlich', 'Jan Schädlich', 'schaedlich.jan@gmail.com' ]
diff --git a/tests/Controller/Workshop/fixtures/list_workshop.yaml b/tests/Controller/Workshop/fixtures/list_workshop.yaml
index 9d9cfad..214b236 100644
--- a/tests/Controller/Workshop/fixtures/list_workshop.yaml
+++ b/tests/Controller/Workshop/fixtures/list_workshop.yaml
@@ -1,6 +1,6 @@
 App\Entity\Attendee:
     attendee_1:
-        __construct: [ '2a451d60-2fef-437b-838e-10edb2ade8eb', 'Jan', 'Schädlich', 'schaedlich.jan@gmail.com' ]
+        __construct: [ '2a451d60-2fef-437b-838e-10edb2ade8eb', 'Jan', 'Schädlich', 'Jan Schädlich', 'schaedlich.jan@gmail.com' ]
 
 App\Entity\Workshop:
     workshop_1:
diff --git a/tests/Controller/Workshop/fixtures/read_workshop.yaml b/tests/Controller/Workshop/fixtures/read_workshop.yaml
index 98a477c..0dc0db3 100644
--- a/tests/Controller/Workshop/fixtures/read_workshop.yaml
+++ b/tests/Controller/Workshop/fixtures/read_workshop.yaml
@@ -1,6 +1,6 @@
 App\Entity\Attendee:
     attendee_1:
-        __construct: [ '36ffcf19-7560-4ead-8d8e-3c40cf169784', 'Jan', 'Schädlich', 'schaedlich.jan@gmail.com' ]
+        __construct: [ '36ffcf19-7560-4ead-8d8e-3c40cf169784', 'Jan', 'Schädlich', 'Jan Schädlich', 'schaedlich.jan@gmail.com' ]
 
 App\Entity\Workshop:
     workshop_1:
diff --git a/tests/Controller/Workshop/fixtures/remove_attendee_to_workshop.yaml b/tests/Controller/Workshop/fixtures/remove_attendee_to_workshop.yaml
index 7f551f3..fe4f633 100644
--- a/tests/Controller/Workshop/fixtures/remove_attendee_to_workshop.yaml
+++ b/tests/Controller/Workshop/fixtures/remove_attendee_to_workshop.yaml
@@ -1,6 +1,6 @@
 App\Entity\Attendee:
     attendee_1:
-        __construct: [ 'f6ac0c74-ca77-4b3b-9829-8c0cfe29cf44', 'Jan', 'Schädlich', 'schaedlich.jan@gmail.com' ]
+        __construct: [ 'f6ac0c74-ca77-4b3b-9829-8c0cfe29cf44', 'Jan', 'Schädlich', 'Jan Schädlich', 'schaedlich.jan@gmail.com' ]
 
 App\Entity\Workshop:
     workshop_1:
diff --git a/tests/Entity/AttendeeTest.php b/tests/Entity/AttendeeTest.php
new file mode 100644
index 0000000..aa6bfb6
--- /dev/null
+++ b/tests/Entity/AttendeeTest.php
@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Entity;
+
+use App\Entity\Attendee;
+use PHPUnit\Framework\TestCase;
+use Ramsey\Uuid\Uuid;
+
+final class AttendeeTest extends TestCase
+{
+    /**
+     * @dataProvider provideValidNames
+     */
+    public function test_name(string $firstname, string $lastname, string $name, string $expectedName): void
+    {
+        $attendee = new Attendee(
+            Uuid::uuid4()->toString(),
+            $firstname,
+            $lastname,
+            $name,
+            'mail@janschaedlich.de'
+        );
+
+        self::assertSame($expectedName, $attendee->getName());
+    }
+
+    public static function provideValidNames(): iterable
+    {
+        yield ['firstname', 'lastname', 'fullname', 'fullname'];
+        yield ['', 'lastname', 'fullname', 'fullname'];
+        yield ['firstname', '', 'fullname', 'fullname'];
+        yield ['', '', 'fullname', 'fullname'];
+        yield ['firstname', 'lastname', '', 'firstname lastname'];
+    }
+
+    /**
+     * @dataProvider provideInvalidNames
+     */
+    public function test_it_throws_InvalidArgumentException_for_wrong_usage_of_name(string $firstname, string $lastname, string $name): void
+    {
+        $this->expectException(\InvalidArgumentException::class);
+
+        new Attendee(
+            Uuid::uuid4()->toString(),
+            $firstname,
+            $lastname,
+            $name,
+            'mail@janschaedlich.de'
+        );
+    }
+
+    public static function provideInvalidNames(): iterable
+    {
+        yield ['', '', ''];
+        yield ['firstname', '', ''];
+        yield ['', 'lastname', ''];
+    }
+}