diff --git a/KfChatDotNetBot/ChatBot.cs b/KfChatDotNetBot/ChatBot.cs
index f4abc9c..c689de8 100644
--- a/KfChatDotNetBot/ChatBot.cs
+++ b/KfChatDotNetBot/ChatBot.cs
@@ -352,7 +352,7 @@ public class ChatBot
     
     private void OnUsersJoined(object sender, List<UserModel> users, UsersJsonModel jsonPayload)
     {
-        var settings = Helpers.GetMultipleValues([BuiltIn.Keys.GambaSeshUserId, BuiltIn.Keys.GambaSeshDetectEnabled])
+        var settings = Helpers.GetMultipleValues([BuiltIn.Keys.GambaSeshUserId, BuiltIn.Keys.GambaSeshDetectEnabled, BuiltIn.Keys.BotKeesSeen])
             .Result;
         _logger.Debug($"Received {users.Count} user join events");
         using var db = new ApplicationDbContext();
@@ -372,6 +372,13 @@ public class ChatBot
                     true);
                 _yatsLastSeen = DateTimeOffset.UtcNow;
             }
+
+            if (user.Id == 89776 && !settings[BuiltIn.Keys.BotKeesSeen].ToBoolean())
+            {
+                _logger.Info("Kees has joined!");
+                SendChatMessage($":!: :!: {user.Username} has appeared! :!: :!:", true);
+                Helpers.SetValueAsBoolean(BuiltIn.Keys.BotKeesSeen, true).Wait(_cancellationToken);
+            }
             _logger.Info($"{user.Username} joined!");
 
             var userDb = db.Users.FirstOrDefault(u => u.KfId == user.Id);
diff --git a/KfChatDotNetBot/Settings/BuiltIn.cs b/KfChatDotNetBot/Settings/BuiltIn.cs
index 5d2fc65..25ad987 100644
--- a/KfChatDotNetBot/Settings/BuiltIn.cs
+++ b/KfChatDotNetBot/Settings/BuiltIn.cs
@@ -860,6 +860,16 @@ public static class BuiltIn
             IsSecret = false,
             CacheDuration = TimeSpan.FromHours(1),
             ValueType = SettingValueType.Boolean
+        },
+        new BuiltInSettingsModel
+        {
+            Key = Keys.BotKeesSeen,
+            Regex = "(true|false)",
+            Description = "Track if Kees has been seen so users can receive a one-time notice if he suddenly shows up",
+            Default = "false",
+            IsSecret = false,
+            CacheDuration = TimeSpan.FromHours(1),
+            ValueType = SettingValueType.Boolean
         }
     ];
     
@@ -931,5 +941,6 @@ public static class BuiltIn
         public static string BotChrisDjLiveImage = "Bot.ChrisDjLiveImage";
         public static string DiscordTemporarilyBypassGambaSeshInitialValue =
             "Discord.TemporarilyBypassGambaSeshInitialValue";
+        public static string BotKeesSeen = "Bot.KeesSeen";
     }
 }
\ No newline at end of file