diff --git a/KfChatDotNetBot/ChatBot.cs b/KfChatDotNetBot/ChatBot.cs
index 0b0fce8..1313a66 100644
--- a/KfChatDotNetBot/ChatBot.cs
+++ b/KfChatDotNetBot/ChatBot.cs
@@ -36,7 +36,8 @@ public class ChatBot
     private DateTime _lastReconnectAttempt = DateTime.UtcNow;
     private List<ScheduledAutoDeleteModel> _scheduledDeletions = [];
     private Task _scheduledAutoDeleteTask;
-    
+    private List<UserModel> _currentUsersInChat = [];
+
     public ChatBot()
     {
         _logger.Info("Bot starting!");
@@ -558,12 +559,13 @@ public class ChatBot
     }
 
     public class SentMessageNotFoundException : Exception;
-    
+
     private void OnUsersJoined(object sender, List<UserModel> users, UsersJsonModel jsonPayload)
     {
         var settings = SettingsProvider.GetMultipleValuesAsync([BuiltIn.Keys.GambaSeshUserId, BuiltIn.Keys.GambaSeshDetectEnabled, BuiltIn.Keys.BotKeesSeen])
             .Result;
         _logger.Debug($"Received {users.Count} user join events");
+        _currentUsersInChat.AddRange(users);
         using var db = new ApplicationDbContext();
         foreach (var user in users)
         {
@@ -606,6 +608,7 @@ public class ChatBot
 
     private void OnUsersParted(object sender, List<int> userIds)
     {
+        _currentUsersInChat.RemoveAll(u => userIds.Contains(u.Id));
         var settings = SettingsProvider.GetMultipleValuesAsync([BuiltIn.Keys.GambaSeshUserId, BuiltIn.Keys.GambaSeshDetectEnabled])
             .Result;
         if (userIds.Contains(settings[BuiltIn.Keys.GambaSeshUserId].ToType<int>()) && settings[BuiltIn.Keys.GambaSeshDetectEnabled].ToBoolean())
@@ -653,6 +656,7 @@ public class ChatBot
         _logger.Error($"Sneedchat disconnected due to {disconnectionInfo.Type}");
         _logger.Error($"Close Status => {disconnectionInfo.CloseStatus}; Close Status Description => {disconnectionInfo.CloseStatusDescription}");
         _logger.Error(disconnectionInfo.Exception);
+        _currentUsersInChat.Clear();
         if (disconnectionInfo.Exception != null && disconnectionInfo.Exception.Message.Contains("status code '203'"))
         {
             _logger.Info("Chat 203'd, getting a new token");
@@ -673,6 +677,11 @@ public class ChatBot
         KfClient.JoinRoom(roomId);
     }
 
+    public UserModel? FindUserByName(string username)
+    {
+        return _currentUsersInChat.FirstOrDefault(u => u.Username.Equals(username, StringComparison.CurrentCulture));
+    }
+
     public enum LengthLimitBehavior
     {
         // Append …
diff --git a/KfChatDotNetBot/Commands/Kasino/LegitCheckCommand.cs b/KfChatDotNetBot/Commands/Kasino/LegitCheckCommand.cs
index 554e69a..9ff595b 100644
--- a/KfChatDotNetBot/Commands/Kasino/LegitCheckCommand.cs
+++ b/KfChatDotNetBot/Commands/Kasino/LegitCheckCommand.cs
@@ -23,6 +23,8 @@ public class LegitCheckCommand : ICommand
     [
         new Regex(@"^legitcheck (?<user_id>\d+)$", RegexOptions.IgnoreCase),
         new Regex(@"^legitcheck (?<user_id>\d+) all$", RegexOptions.IgnoreCase),
+        new Regex(@"^legitcheck @(?<username>.+) all$", RegexOptions.IgnoreCase),
+        new Regex(@"^legitcheck @(?<username>.+)$", RegexOptions.IgnoreCase),
         new Regex(@"^legitcheck$", RegexOptions.IgnoreCase),
         new Regex(@"^legitcheck all$", RegexOptions.IgnoreCase),
     ];
@@ -46,15 +48,34 @@ public class LegitCheckCommand : ICommand
     {
         await using var db = new ApplicationDbContext();
 
-        var targetUserId = arguments["user_id"].Success 
-            ? int.Parse(arguments["user_id"].Value)
-            : user.KfId;
-        var targetUser = await db.Users.FirstOrDefaultAsync(u => u.KfId == targetUserId, ctx);
         var isAll = message.MessageRaw.EndsWith(" all");
 
+        UserDbModel? targetUser;
+        if (arguments["username"].Success)
+        {
+            var chatUser = botInstance.FindUserByName(arguments["username"].Value);
+            if (chatUser == null)
+            {
+                await botInstance.SendChatMessageAsync(
+                    $"{user.FormatUsername()}, couldn't find that user in chat. They must be present in chat to look up by username.",
+                    true);
+                return;
+            }
+            targetUser = await db.Users.FirstOrDefaultAsync(u => u.KfId == chatUser.Id, ctx);
+        }
+        else if (arguments["user_id"].Success)
+        {
+            var targetUserId = int.Parse(arguments["user_id"].Value);
+            targetUser = await db.Users.FirstOrDefaultAsync(u => u.KfId == targetUserId, ctx);
+        }
+        else
+        {
+            targetUser = await db.Users.FirstOrDefaultAsync(u => u.KfId == user.KfId, ctx);
+        }
+
         if (targetUser == null)
         {
-            await botInstance.SendChatMessageAsync($"{user.FormatUsername()}, the user ID you gave doesn't exist.",
+            await botInstance.SendChatMessageAsync($"{user.FormatUsername()}, that user doesn't exist.",
                 true);
             return;
         }