Who said "I may be cowardly, but I'm not a coward when it counts."?

This quote is attributed to Courage the Cowardly Dog.

I may be cowardly, but I'm not a coward when it counts. - Courage the Cowardly Dog

"I may be cowardly, but I'm not a coward when it counts."

Courage the Cowardly Dog Courage

"Courage, the cowardly dog."

"What's wrong, Muriel?"

"Oh, the things I do for love."

"Stupid Eustace!"

"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."