Who said "I'm not a moron, I'm only a case of a very wit."?

This quote is attributed to Buster Bluth.

I'm not a moron, I'm only a case of a very wit. - Buster Bluth

"I'm not a moron, I'm only a case of a very wit."

Buster Bluth Humor

"I'm a monster."

"My mother is dead to me."

"Why won't anyone let me do what I want?"

"I don't understand the question and I won't respond to it."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."