Who said "Real courage is being scared but helping anyway."?

This quote is attributed to Scooby-Doo.

Real courage is being scared but helping anyway. - Scooby-Doo

"Real courage is being scared but helping anyway."

Scooby-Doo Courage

"Scooby-Dooby-Doo, where are you?"

"Ruh-roh!"

"Like, zoinks!"

"Let's split up, gang!"

"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."