Who said "Oh, the things I do for love."?

This quote is attributed to Courage the Cowardly Dog.

Oh, the things I do for love. - Courage the Cowardly Dog

"Oh, the things I do for love."

Courage the Cowardly Dog Love

"Courage, the cowardly dog."

"What's wrong, Muriel?"

"Stupid Eustace!"

"I'm just a little dog."

"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!"