Who said "Imagination is the gateway to possibility, giggity."?

This quote is attributed to Glenn Quagmire.

Imagination is the gateway to possibility, giggity. - Glenn Quagmire

"Imagination is the gateway to possibility, giggity."

Glenn Quagmire Imagination

"Giggity!"

"Allllright!"

"You gotta live life to the fullest, giggity goo!"

"Love is just giggity waiting to happen."

"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."