Killy (霧亥)
Background
Looking to be in his early to mid 20s (Once saying that his "growth period is over."), he is a glum looking person, never smiling (except madly when shooting on occasion) and has a slight slouch in his normal standing position, he isn't afraid to fight, and readily shoots the GBE. He also often shows superhuman strength and endurance, being thrown through solid walls and floors before standing right back up with no apparent injuries.
Published Manga
Blame Gakuen! And So OnBLAME! Academy and So On
Manga Feb 25, 2004 to Aug 25, 2008