Who said "Life's too short not to have fun doing it."?

This quote is attributed to Mr. Peanutbutter.

Life's too short not to have fun doing it. - Mr. Peanutbutter

"Life's too short not to have fun doing it."

Mr. Peanutbutter Happiness

"I'm just a simple dog trying to make it in Hollywood"

"Every time it seems like things are going great, something comes along and ruins it"

"You know what the key to happiness is? Not thinking about sad stuff"

"I'm an optimist. That's my thing"

"Babalú!"

"My greatest joy is making people smile."

"Laughter and love make a home."

"The best things in life are free."