Who said "Speak up for yourself or nobody else will do it for ya!"?

This quote is attributed to Foghorn Leghorn.

Speak up for yourself or nobody else will do it for ya! - Foghorn Leghorn

"Speak up for yourself or nobody else will do it for ya!"

Foghorn Leghorn

"I say, I say, son, you're gonna have to speak up, I'm wearing a clothespin on my nose!"

"That rooster is nuttier than a pecan pie in a squirrel's pocket!"

"Now listen here, boy, I'm gonna tell you something, and you better listen good!"

"I've been around the block more times than a mail truck!"