Who said "Muriel's smile is worth any nightmare I face."?

This quote is attributed to Courage the Cowardly Dog.

Muriel's smile is worth any nightmare I face. - Courage the Cowardly Dog

"Muriel's smile is worth any nightmare I face."

Courage the Cowardly Dog Love

"Courage, the cowardly dog."

"What's wrong, Muriel?"

"Oh, the things I do for love."

"Stupid Eustace!"

"I love my wife, but sometimes she drives me crazy."

"Love conquers all obstacles."

"Love is patient, love is kind."

"I'm not stupid, I'm just in love!"