Lego compatible:
C3 Minimate sets
Mega Bloks
BEST-LOCK
Built to Rule
Tente
Cobi
Rokenbok: Certain Rokenbok pieces have a round-stud surface, making the toy compatible with Lego.
Brickarms.com For custom weapons and minifigs.
I originally just got the animated Mr.Freeze. But, he looked lonely so I got a animated batman. No giant boobs! Would have got harley too but there is no animated joker kubrick.