It's Amy, A) On Sonic Adventure DX Director's Cut, He runs off to the Casino place and waits for Amy to go on a "Mini Date", B) He's EXTREMLEY shy in front of her, He was never THAT shy in front of Rouge, Cream, Bleaze, Wave या any other Sonic Girls! That's one of the signs of a chrush! C) In Sonic X Episode 9, Amy makes him a Bracelet out of Seashells, After that, Eggman interfears and destroys the Bracelet before Amy could give it to him, In the end of the Episode, He re-fixes the Bracelet and wears it! D) He says "I प्यार You" to Amy in the Japanese Sonic X on Episode 25! :D
Blaze (duh) they do everything together, they both saved the world he doesnt दिखाना his feelings to her cuz hez nervous and thinks she dont like him back