My favourites

Lightweight
Backlash and Ziggo

Middleweight
Hazard, Deadblow and Super Orbiting Force

Heavyweight
Biohazard, Vlad the Impaler, Tazbot, Killerhurtz

Super Heavyweight
Minion, Diesector, Mechadon, DoAll

Favourite overall

BIOHAZARD (shame that, when I saw it, it lost very early on)