Bill Cosby can deliver punch lines and Jell-O pitches (not to mention rock some technicolored sweaters). Now he’s delivering this message: Tim Tebow is no joke, and you’d better buy what he’s selling.

When grizzled, old Canadian Football League rivals Joe Kapp and Angelo Mosca ran into each other Friday at an honorary, pre-Grey Cup luncheon, their longtime feud reignited in a bizarre scenario that would have made Bobby “The Brain” Heenan grin with evil delight.