Michael McKean — American Actor born on October 17, 1947,

Michael John McKean is an American actor, comedian, writer, composer and musician well known for his portrayal of Squiggy's friend, Leonard "Lenny" Kosnowski, on the sitcom Laverne & Shirley; and for his work in the Christopher Guest ensemble films, particularly as David St. Hubbins, the 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, which won the Grammy for "Best Song Written for a Motion Picture, Television or Other Visual Media", as well as A Kiss at the End of the Rainbow which was nominated for the Academy Award for Best Song... (wikipedia)

I think you have everyone kind of pulling on the same end of the rope. It's not like you're Robin Williams and everyone else is a deaf mute. It's like - there's plenty of help.
Even when there are banalities, they're usually kind of benign banalities.
I'm all over the place. As you may have seen from the credits, I write with everybody.
I'm kind of the town pump. I think I have a pretty good ear for what sounds good in this style.
Sometimes we drop in and do an acoustic set somewhere, and that's really fun to take all these insanely loud songs, and to do them quiet. It's really a sight to see... or to hear!