[MosesKnows]

This is what is known as the "McLean Stevenson Effect."

What is it called when someone in show business parts company and becomes an even greater celebrity? I think I would call it the "Dolly Pardon Effect" but there must be other examples.

[Oztrich Boy]

What is it called when someone in show business parts company and becomes an even greater celebrity?

There is the situation where an act's second banana quits and subsequently proves that he was the real talent all along: The Dean Martin Effect