Noooo, The Manual says:
"Amy is a cheerful and peppy hedgehog who has decided that she is Sonic's girlfriend."
An extremly rare and valuable Yoshi!
"Who want''''s to buy a gold Yoshi? Selling Price, $99,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999!" (almost 10 Googols!)