Who said "There is no Mac, there is only Zuul."?

This quote is attributed to Mac.

There is no Mac, there is only Zuul. - Mac

"There is no Mac, there is only Zuul."

Mac Imagination

"I am a five-star man, and I deserve a five-star woman."

"You know what it is, bitch? A system of pipes."

"I'm not gonna be ignored, Dan."

"When I'm dead, inside or out, that's when you'll know I'm gone."

"Imagination is more powerful than knowledge."

"The world is full of wonders if you know where to look."

"You have the imagination of a child, Lucy"

"The world is full of mysteries waiting to be solved."