Answer
Navidad Ramirez is the name of Michael Peña's character in "Gangster Squad". He is a Mexican-American police officer who is assigned to the LAPD's Gangster Squad, a group of officers tasked with taking down notorious mobster Mickey Cohen. Ramirez is a skilled and dedicated officer, but he is also hot-headed and impulsive. He often clashes with his superiors, but he is ultimately loyal to the mission.