Polar

Polar acts as a ride, background character and playable racer.

Crash Bandicoot 2: Cortex Strikes Back
 Level 8: Bear It 

Crash finds Polar in the Arctic Wastes of Wumpa Island at first Crash tests if he is bouncy jumping on him ten times angering Polar but then Crash uses him as a mount and rides him through the dangerous area, after this Crash decides to adopt him and brings him through the Warp with him letting Polar sit at the side while Crash goes to less suitable locations for a Polar Bear.