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George "Digger" Harkness, also known as Captain Boomerang, was a member of Task Force X and a common enemy of the Flash.


Justice League the Flashpoint Paradox[]

Before Flashpoint, Captain Boomerang was part of the Rogues Zoom recruited to help him take down the Flash. However Zoom betrayed the Rogues by planting bombs on their suits. Cyborg and Captain Atom took him to a safe distance where the former used his advanced wires to short circuit the bomb planted on the boomerang rogue.

Flashpoint Timeline[]

In the Flashpoint timeline he is seen attacking Citizen Cold at the Cold Museum.


Digger is first seen in his cell, waiting to be given orders. He appears to find enjoyment from Deadshot's sadness after having a letter to his daughter returned by the receiver. 

Hell to Pay[]

In Gotham City, Professor Pyg is kidnapped by Scandal Savage and Knockout for a "patient in need of medical attention". Waller discovers that she is diagnosed with a terminal illness and reassembles Task Force X with a new roster: Deadshot, Harley Quinn, Captain Boomerang, Killer FrostCopperhead, and Bronze Tiger. Their mission: to find a man named Steel Maxum and retrieve a mystical black card emblazoned "Get Out of Hell Free."

Finding Maxum in a male strip club, Task Force X is interrupted by Eobard ThawneSilver Banshee, and Blockbuster, who appear to want the card for themselves. The squad escapes with Maxum and learn he was Doctor Fate. He explains that the card allows the user to bypass Hell and gain access to Heaven, but it can only be used once. Scandal Savage and Knockout stole the card from the Tower of Fate, which resulted in Maxum being stripped of his title by Nabu.

Upon finding Scandal and Knockout's apartment, the team acquires the card, but they are intercepted by Vandal Savage and his men. Savage retrieves the card but leaves the wounded Knockout to die despite Scandal's pleas. As Savage escapes, Zoom places a tracer on his ship.

The next day, Zoom's henchmen kidnap Frost at a gas station. Zoom removes Frost's bomb and convinces her to join him. Zoom lures the Squad into a trap and detonates the bomb. They manage to escape, but Tiger is heavily injured in the blast.

Scandal covertly informs Deadshot of Vandal's location, and the Squad infiltrates his lair but are captured. Savage reveals that he had Pyg surgically implant the card into his chest cavity. Zoom and his henchmen attack and remove the card from Savage's body, killing him. Zoom explains that he was killed by Batman in another timeline, but managed to stay alive by calling on the Speed Force. Frost double-crosses Zoom, killing Silver Banshee and Blockbuster and stealing the card for ransom. Copperhead fights Frost until Waller detonates his bomb and kills both of them. Captain Boomerang attempts to steal the card but is incapacitated by Zoom. Tiger battles Zoom, but Zoom slices him multiple times with a small dagger. Tiger, dying from blood loss, uses the last of his strength to cut the card from Zoom's fingers. Deadshot kills Zoom and gives the card to Tiger, who dies and ascends to Heaven. With only Captain Boomerang and Harley Quinn remaining alive in his team, Deadshot gives the now-useless card to the unsuspecting Waller before leaving.

Justice League Dark: Apokolips War[]

Two years after the Justice League's failed invasion of Apokolips and deaths of the Teen Titans, Digger is seen on Stryker's Island in Metropolis, now a member of the Suicide Squad which is led by Harley Quinn after the death of Amanda Waller. Digger, along with the rest of his team, join the remaining Justice League's efforts in destroying Apokolips, accompanying them to LexCorp to fight their way to the boom tube.


After fighting through many of LexCorp's soldiers, the Suicide Squad, along with Lex Luthor and Lois Lane, remain by the boom tube as the remaining League members head to Apokolips, in order to prevent the Paradooms from returning to Apokolips. To fight off the Paradooms, genetic hybrids of Parademons and Doomsday, Digger is given new boomerangs infused with Kryptonite, as the Parademons are vulnerable to Kryptonite due to possessing Superman's DNA.


When the Suicide Squad is vastly outnumbered by the Paradooms, Luthor erects a barrier made of Kryptonite around the group as he triggers LexCorp's self-destruct sequence. Eventually, the barrier is broken, and the remaining members of the Suicide Squad, along with Lane, are killed as the building self-destructs, also killing the surrounding Paradooms, but not before Digger shares a warm moment with King Shark, who uses his words for the first time to exclaim that it was honor fighting by Digger's side.


• Marksmanship: Captain Boomerang is an expert at throwing boomerangs with great accuracy.



Comic Books[]