Tunnel Rhino, known as Screw Masaider (スクリュー・マサイダー) in Japan, is a rhinoceros-based Reploid from Mega Man X3. He is a miner who was infected by the Sigma Virus, joining the Doppler Army.
Obviously, don't nominate any human characters. Hybrids like Cheetah or The Lizard are okay, as are shapeshifters with one set animal form (eg Professor McGonagall.)
