Rick Flag is the name of three fictional characters appearing in American comic books published by DC Comics. They are father, son, and grandson.
The father, Richard Flag, was in the original Suicide Squad, a World War II unit. After the war, he was a member of Task Force X. His son, Captain Rick Flag Jr., was a member of the Forgotten Heroes and led two different incarnations of the Suicide Squad.
Joel Kinnaman portrays Flag in the live-action DC Extended Universe film Suicide Squad. Kinnaman will return to portray the role in the sequel.