Batman
Especially Frank Millers Dark Knight...
The Dark Knight Returns is one kickass story, and it is told in a style that blew me away the first time i read it. I will never forget the sequence that ends with Batman and Robin on horses
Swampthing
Berni Wrightson made a big impression on me when i was a kid.
John Difool
Moebius's/Jodorowsky's whining antihero
The MetaBarons
RanXerox
Spiderman