Who said "I have to go do my chores now"?

This quote is attributed to Butters Stotch.

I have to go do my chores now - Butters Stotch

"I have to go do my chores now"

Butters Stotch Work

"I'm not bad, I'm just drawn that way"

"Aw, hamburgers!"

"You're grounded, mister!"

"Oh my God, I killed Kenny!"

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."