Actually (just to point out) I don't think orcas being called 'killer whales' is wrong. I think it's perfectly correct. They're pretty visious things y'know. Shamu's friendly 'cause people taught him to be friendly. It's like how people train tigers to do tricks in the circus.
See look, it's killing babies! http://www.youtube.com/watch?v=DWsN63PRCW8
(I know he releases one in the end, but still, they're called 'killer' 'cause they actually eat meat rather than krill and stuff)
It's just to point out (I'm not saying that I don't like orcas), not everything that's cute is harmless. Yeah, I like to spoil your fun >(
I may enter if I come up with something by the way.