Who said "Death is what happens to boring people."?

This quote is attributed to Nelson Muntz.

Death is what happens to boring people. - Nelson Muntz

"Death is what happens to boring people."

Nelson Muntz Death

"Ha-ha!"

"Your tears of unfathomable sadness!"

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

"Eat my shorts, Simpson!"

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."