Thank you :) I plan on working on this some more, possibly adding to the mythos of the Cheetahmen. I'm thinking they should have their own vehicle since the Ninja Turtles have a custom van - maybe a Safari Jeep?
Also I found a way to use tiles for the arenas, instead of re-using the same big ol' sprites, while keeping all the janky code for depth sorting and such. So stay tuned :)