Who said "Justice is when I decide who's guilty."?

This quote is attributed to Nelson Muntz.

Justice is when I decide who's guilty. - Nelson Muntz

"Justice is when I decide who's guilty."

Nelson Muntz Justice

"Ha-ha!"

"Your tears of unfathomable sadness!"

"I'm gonna enjoy this, Bart. I'm gonna enjoy this a lot."

"Eat my shorts, Simpson!"

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."