Bark the Polar Bear (バーク・ザ・ポーラーベアー Bāku za Pōrābeā) is a playable character in Sonic the Fighters. He is an anthropomorphic yellow polar bear who competed in a fighting tournament for the Chaos Emeralds and the right to destroy the Death Egg II. He specializes in throws and flattening an opponent but lacks in speed.
Sonic and his team meet Flik, an inventor who went to find tough warriors to save his island from a pack of Grasshoppers and their leader Hopper. Which turns out that one group is a pack of warriors and the other were revealed to be circus bugs.