Rick Flag

Rick Flag is the name of three fictional characters appearing in American comic books published by DC Comics. The name is used by a father, son, and grandson also known as Rick Flag.
The father, Richard Flag, was in the original Suicide Squad, a World War II unit. His son, Captain Rick Flag Jr., was a member of the Forgotten Heroes and led two different versions of the Suicide Squad.
Joel Kinnaman plays Flag in the live-action DC Extended Universe movies "Suicide Squad" and the sequel.