Steffan Andrews tossed this up on his
Facebook Page a few minutes ago. Apparently FiM originally had a Dinosaur character. I'm not too sure if I would have been alright with that, but I think the FiM team could have pulled it off! Hell they made Cadence awesome, and she is the biggest "We need a pink alicorn to sell" ever!
Anyway, you should go
follow him on Twitter!