Michael John McKean (born October 17, 1947) is an American actor, comedian, and musician known for various roles in film and television such as Lenny Kosnowski in Laverne & Shirley, David St. Hubbins in This Is Spinal Tap, and Chuck McGill on Better Call Saul.
McKean's first breakout role was annoying neighbor Lenny Kosnowski on the sitcom Laverne & Shirley. In the mid-1990s, McKean spent two seasons as a cast member on Saturday Night Live. He played David St. Hubbins, lead vocalist and co-lead guitarist of the fictional rock band Spinal Tap in This Is Spinal Tap and had roles in several Christopher Guest ensemble films. He co-wrote the song "A Mighty Wind" (from the film of the same name), which won a Grammy Award, 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.
McKean portrayed Chuck McGill, brother of Saul Goodman, on the AMC drama series Better Call Saul, for which he has received a Primetime Emmy Award nomination for Outstanding Guest Actor in a Drama Series in 2019. In 2020, he starred alongside Martin Freeman in the FX parental comedy series Breeders.