One of my favorite ads was for Cap’n Crunch cereal, parodying the Timex ‘torture test’ ads of the time. A John Cameron Swayze type shows us Lake Michigan, drained and refilled with milk, with the Cap’n’s ship lowered in, the Cap’n tied to the rudder holding a box of his cereal. After the successful test, the Cap’n is okay, but says “I’m gonna have to get a milk-proof watch, though.”
Jay Ward was brilliant. He had a clause in his commercial career where he could quit when it wasn’t fun anymore.