Michael Ehrmantraut portrayed by Jonathan Banks in the television series Breaking Bad and its spinoff prequel Better Call Saul. Mike is a former Philadelphia police officer and United States Marine Corps veteran who works for Gus Fring and, on occasion, Saul Goodman as a private investigator, head of security, cleaner, and hitman. While an officer in Philadelphia, he engaged in corrupt activities that indirectly led to the death of his son Matt, leading Mike to move to Albuquerque to watch over and financially support his daughter-in-law Stacey and granddaughter Kaylee through jobs in the criminal underworld.