I had a Gnome Illusionist (1st ed) named Bink Guildersleeves the Third, Four times removed from the upper bunk by his Second cousin...
My suggestion is to get a Thesaurus and look up some aspect of his/her personality. Don't forget the delusions of grandure (to make up for their short stature).
-----------------
I often have to tell my students that Thesurus Rex is NOT the name of a dinosaur...