It can be from comics, movies, cartoons, books,etc. Mine is Invader ZIM! One of my favorite cartoons, it was. ZIM! Victory for ZIM!
"Sparda says:"The Predator species"
Yeah, the Yautja.......I love those guys. Forgot their name for a sec their, heh.
Oh yeah, and for general comics, I think that the Symbiotes (Veno, Carnage, etc.) were always pretty cool.