Who said "Don't be afraid to be yourself."?

This quote is attributed to Mater.

Don't be afraid to be yourself. - Mater

"Don't be afraid to be yourself."

Mater Courage

"I'm a tractor tippin' fool!"

"Dadgum!"

"Well, I'll be!"

"You're my best friend!"

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."