This article is in need of cleanup in order to comply with Encyclopedia SpongeBobia's Manual of Style. Please help this Wiki by making this article clean and tidy!
He is an American actor, comedian, writer, composer, and musician. He is best known for his work on Christopher Guest ensemble films, especially as David ST. Hubbins, the rhythm guitarist and lead vocalist of the fictional rock band Spinal Tap from the eponymous film. He is also known for his portrayal of Squiggy's friend, Leonard "Lenny" Kosnowski, on the sitcom Laverne and Shirley.