- Donatello: Hey, Michaelangelo, how come you're not shouting "cowabunga"?
- Michaelangelo: Well, to best honest, I'm getting kind of bored with it. Hey, How about this?
- [imitating Fred Flintstone]
- Michaelangelo: Yabba-dabba...
- Donatello: [Donatello holds his hand over Michaelangelo's mouth] Nah. It's just not you.