Who said "I'm afraid I can't do that. Wait, I can do that!"?

This quote is attributed to Zoidberg.

I'm afraid I can't do that. Wait, I can do that! - Zoidberg

"I'm afraid I can't do that. Wait, I can do that!"

Zoidberg Fear

"Why must I be a monster?"

"I've gone back in time to when dinosaurs weren't extinct."

"Wha-? Oh, is the cute doctor asking me out?"

"Your music is bad, and you should feel bad."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."