jedi knight 2: Obi1_Ken0b1 or some noobish shit like that (LOL) and PrOdiGy
SWG: PrOdiGy
EQ2: PrOdiGy1
WoW: PrOdiGy1
Battlefield 2 and Battlefield 2142: PrOdiGy1
the 1 on the end is usually cos someone has prodigy
In general I go with names that means something, and I usualy go with latin names, or japanese.
Zana and Kajih I use in both SWG and CoH. Zana has no meaning but Kajih is a japanese name. 'Kaji' means fire, faith, healing and some other stuff as well.