Who said "If you're gonna do something, do it cool."?

This quote is attributed to Beavis.

If you're gonna do something, do it cool. - Beavis

"If you're gonna do something, do it cool."

Beavis Success

"Heh heh, like, this sucks"

"Heh heh, that was cool"

"Like, we're like, the coolest guys ever"

"Heh heh, fire, fire!"

"Success comes to those who never give up."

"Success is measured by happiness, not money."

"You make your own luck in this world."

"You have to be organized to be successful in anything."