Michael John McKean (; born October 17, 1947) is an American actor, comedian, screenwriter, composer, singer, and musician. Over his career he has received a Grammy Award as well as nominations for an Academy Award and a Primetime Emmy Award. . McKean started his career as Lenny Kosnowski in the ABC sitcom Laverne & Shirley from 1976 to 1983. He was briefly a cast member on the NBC sketch comedy series Saturday Night Live for its 19th and 20th seasons from 1994 to 1995, and played Gibby Fiske in HBO series Dream On (1990–1996).
https://en.wikipedia.org/wiki/Michael_McKean