Michael James McDonald (born December 31, 1964) is an American stand-up comedian, actor, writer, and director. He is best known for his work on the sketch show MADtv. He was also a writer, director, and producer of the ABC television series "Cougar Town."

Among his best-known film roles are Little John in "Halloween Kills," Rononan Scargle in "Happy Times Murders," Jonathan in "Ghostbusters" (2016), Bryce Crean in "The Boss," Patrick in "Spy," Julian in "Cop Out," and small roles in every Austin Powers film.

He graduated from the University of Southern California with a degree in business and became a loan officer at a bank in Los Angeles. A friend brought him to a sketch comedy improv show at the famous Groundlings theater in Los Angeles, and everything changed. He quit the bank, enrolled in the Groundlings improv program, and became a member of the troupe from 1992 to 1997.

His first professional work as a writer and actor was with Concorde Pictures, Roger Corman's infamous low-budget film studio. Starting as an extra, he got small roles in many B movies of the early 1990s, gradually earned larger roles, and over time began writing scripts and directing some of the films.