My favorite memory is playing Super Mario 64 with my little sisters on the Nintendo 64. We grew up very poor so when we got that used, pawn shop, Nintendo 64 it was like the biggest deal to us and we absolutely cherished it. We always had a blast teasing Chain Chompa just right out of it's reach. lol
Each turtle has a special reason why I am a fan of them, but I guess I would have to say that Michelangelo would have to be my favorite because to me he really is the heart of the team and it's hard not to love his silly laid-back personality.