Who said "Creativity comes from having nothing else to do."?

This quote is attributed to Kenny McCormick.

Creativity comes from having nothing else to do. - Kenny McCormick

"Creativity comes from having nothing else to do."

Kenny McCormick Creativity

"Mmph mmph mrmph!"

"I'm not fat, I'm just big boned"

"Dude, we're in third grade"

"This is so cool"

"When life gives you lemons, make something beautiful."

"Creativity knows no bounds."

"Creativity is the expression of the soul."

"I'm making this up as I go."