Ura Mametchi has a tail.
Ura Kutchipatchi has a bird's nest with an egg in it on top of his head.
The only other "extra feature"is wings,such as the ones on Ura Violetchi.
By the way,anyone who has questions on skill points,please ask me.I'll be happy to answer the most puzzling questions,but please don't ask me about glitches.