Who said "I'm gonna go back in time and punch you in the face!"?

This quote is attributed to Ralph Wiggum.

I'm gonna go back in time and punch you in the face! - Ralph Wiggum

"I'm gonna go back in time and punch you in the face!"

Ralph Wiggum Imagination

"I'm in danger."

"Me fail English? That's unpossible."

"Eat my shorts."

"Ay caramba!"

"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."