Captain Boomerang

Captain Boomerang (George "Digger" Harkness) is a supervillain appearing in American comic books published by DC Comics. The character is an enemy of both the Barry Allen and Wally West versions of the Flash. Created by writer John Broome and artist Carmine Infantino, Captain Boomerang first appeared in The Flash #117 (December 1960). He has also been a prominent member of the Suicide Squad since its second iteration in the late 1990s. During the 2004 storyline Identity Crisis, George Harkness is killed and his son, Owen Mercer, takes over his father's role as Captain Boomerang for a period of time. However, during the 2009–2010 Blackest Night storyline, Owen is killed and Harkness returns to life, resuming his role as Captain Boomerang, and evolves as a genuine threat.

The character has been adapted from the comics into various forms of media, including television series, feature films, and video games. The George "Digger" Harkness version of Captain Boomerang made his live-action debut in the television series Arrow, portrayed by Nick E. Tarabay. In the DC Extended Universe, George "Digger" Harkness is portrayed by Jai Courtney in the films Suicide Squad (2016) and The Suicide Squad (2021).