Mike Ehrmantraut

Michael Ehrmantraut ( UR-mən-trowt) is a fictional character portrayed by Jonathan Banks in the television series Breaking Bad and its spinoff prequel Better Call Saul. Mike is a private investigator, head of security, fixer, and hitman who works for Gus Fring—and, on occasion, Saul Goodman. While a police 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…Wikipedia