Don't know what a "chibi" is? Neither do we, so we're going to pretend the Japanese word means "tiny and adorable"—which aptly describes this series of illustrations by Joe Wight, which would be perfect for a geek kid's bedroom.
Granted, Wight had to stretch for some of these—I've seen the original Star Wars trilogy about 287 times and I couldn't pick a Quarren out of a lineup—but these are so well done, we're gonna let him slide.
Now, if only someone would sell these...
(And if you're having trouble identifying any of the characters below, which are in alphabetical order, check out World Famous Design Junkies for some clues.)