diff --git a/src/tribler-gui/tribler_gui/widgets/tablecontentmodel.py b/src/tribler-gui/tribler_gui/widgets/tablecontentmodel.py
index f3753d67eb7..fbd80c093b0 100644
--- a/src/tribler-gui/tribler_gui/widgets/tablecontentmodel.py
+++ b/src/tribler-gui/tribler_gui/widgets/tablecontentmodel.py
@@ -7,6 +7,8 @@
 
 from PyQt5.QtCore import QAbstractTableModel, QModelIndex, QRectF, QSize, Qt, pyqtSignal
 
+from faker import Faker
+
 from tribler_common.simpledefs import CHANNELS_VIEW_UUID, CHANNEL_STATE
 from tribler_common.utilities import to_fts_query
 
@@ -20,6 +22,19 @@
 EXPANDING = 0
 
 
+user_names_cache = {}
+
+
+def get_user_name_cached(pk):
+    name = user_names_cache.get(pk)
+    if name is not None:
+        return name
+    Faker.seed(pk)
+    name = Faker().name()
+    user_names_cache[pk] = name
+    return name
+
+
 class Column(Enum):
     ACTIONS = auto()
     CATEGORY = auto()
@@ -62,7 +77,7 @@ def define_columns():
         Column.STATE:      d('state',      "",               width=80, tooltip_filter=lambda data: data, sortable=False),
         Column.TORRENTS:   d('torrents',   tr("Torrents"),   width=90),
         Column.SUBSCRIBED: d('subscribed', tr("Subscribed"), width=95),
-        Column.AUTHOR:     d('public_key', "", width=40),
+        Column.AUTHOR:     d('public_key', "", width=40, tooltip_filter=lambda data:get_user_name_cached(data)),
     }
     # pylint: enable=line-too-long
     # fmt:on