Jackhammer

Jackhammer is a member of The Demolition Team, a group working for Damien Darhk.

Biography
At some point in time Jack has become a member of The Demolition Team led by Rosie.

In 2016 team worked for Damien Darhk trying and failing to destroy a building and killing trapped Quentin Lance. After that failed attempt they were traced to their hideout by Team Arrow but managed to escape, destroying the building and a laptop with information. During the attack Jack was patrolling the building and stumbled upon Spartan whom he fought and defeated with relative ease.

He then fought Spartan again on the occasion of team trying too destroy the building, where mayoral election debates between Oliver Queen and Ruvé Adams were held, receiving direct order from Ruvé to kill Oliver. That time though, Spartan came prepared and used magnetic gadget to disarm Jackhammer and eventually knock him out.

Abilities

 * Peak of human physical condition: Jack is a very strong individual who uses sledge hammer as a melee weapon with relative ease.
 * Expert martial artist: Jack is an expert martial artist who had bested John Diggle in fight.
 * Explosives expert: Jack is a an expert in explosives and can easily install the complicated bomb.

Equipment

 * Sledge hammer: Jack carries and uses a sledgehammer as his main weapon.
 * Explosives: Jack carries some explosives in his backpack.

Trivia

 * In the comics Jackhammer uses a jackhammer-like mechanical weapon while in the series he uses sledge hammer.
 * Daniel Cudmore had previously portrayed another comic book character, Peter Rasputin, a.k.a. Colossus for three movies in the X-Men movie franchise.