Just to get you started heres a list of gogo/crazybone knock offs
Jojo's Bouncin Boneheads
Helicos Crazy Ice (Im not sure its a real knock off.)
Fidgets Knuckle Heads
Little Tokyos 2009 Edition
Dracco Heads
Dracco Heads 2
Those Fake Crazy Bones You See On Ebay
But the wakiest, Craziest, weirdest Knock-Off yet is................
Toonz!!!
They've arrived, and there faces change when you move them around!
They ve copied the packs! The games! They look like Explorer Gogo's 2!
And once again, they're only avalible in UK. Darn It!