Carth is my man. He goes everywhere with me.
I think you really have to be female and play as a female to really enjoy Carth as a character (not that all the ladies like him, but I know quite a few).
"They may not call you a Jedi anymore, but believe me you are. It's not the sort of thing you just stop being. You're stuck with it. Just like you're stuck being the General."
~Bao-Dur, The Sith Lords