Author of above defination, and one of the coolest artists ever.
I've been a big fan of Killachu's art for some time now.
by ZaiMatarese August 16, 2004
1 more definition
Nickname meaning "Kill Pikachu" originally used by myself, also used in the Anti-Pokemon fandom
"Yo Killachu, any deaths yet?"
by Killy the Fox April 04, 2004