Michael McKean

Michael John McKean (born October 17, 1947) is an American actor, comedian, writer, composer and musician, best known currently for his portrayal of Charles "Chuck" McGill in the AMC drama Better Call Saul. He is also well-known for playing Leonard "Lenny" Kosnowski on the sitcom Laverne & Shirley and Mr. Green in the comedy/mystery film Clue, as well as for his work in the Christopher Guest ensemble films, particularly as David St. Hubbins, lead vocalist and rhythm guitarist of the fictional rock band Spinal Tap from the film This Is Spinal Tap. He co-wrote "A Mighty Wind" (from the film of the same name), which won the Grammy Award for Best Song Written for a Motion Picture, Television or Other Visual Media, as well as "A Kiss at the End of the Rainbow" from the same film, which was nominated for the Academy Award for Best Song.