Monster
Samurai Champloo
Cowboy bebop
Berserk
GTO
Golden Boy
Claymore
Hajime no Ippo (all of them)
Black Lagoon
Speed Grapher
Hellsing
Darker than black
Trigun
Neon Genesis-Evangelion
Kurozuka
BTOOOM!
...

If you haven't seen something on this list, you fail!