Mike Ehrmantraut
Michael Ehrmantraut 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. Introduced in Breaking Bad's season 2 finale "ABQ", he serves as a major character from season 3 to season 5. Mike appears as one of the main protagonists and is further explored in Better Call Saul, showcasing how he met Saul and Gus, as well as his family relations and gradual moral decline. The character has been praised by critics and Banks' performance has received several acting awards and nominations.