Who said "Every time I quit, I get this itchy feeling in my liver."?

This quote is attributed to Barney Gumble.

Every time I quit, I get this itchy feeling in my liver. - Barney Gumble

"Every time I quit, I get this itchy feeling in my liver."

Barney Gumble Change

"Woo-hoo!"

"To alcohol! The cause of, and solution to, all of life's problems."

"I'm gonna go back to the lab and study some... stuff."

"Barney's my name, drinking's my game."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."