Josh Reynolds (Arrowverse: Earth-19)

Dimensional Travel: Breacher is able to travel to anywhere he wishes, be it a short distance to circumvent obstacles or to another universe. Due to his years of experience, he is capable of attacking the moment he exits a breach instead of taking time to get his balance.
Dimensional Awareness: As Breacher tells Cisco, he can tell when a breach is opened, even if he did not open them himself.
Energy Projection: Breacher is capable of shooting concentrated blasts of dimensional energy from his hands. He can make the hits hard enough to kill if he wishes, but he often only needs enough force to knock out his targets.

Paraphernalia

Knife: Breacher states that he has a knife that was taken from the body of someone he hunted from Earth-48. The knife is shown able to cut through a shield barrier that Cisco stated was built to hold the Reverse-Flash.

Breacher respects fellow lawmen like Joe West.
This version of the character is exclusive to the continuity of the television series The Flash and is an adaptation of Breacher. The original character was created by Sterling Gates, Pete Woods, and Fabiano Neves and first appeared in Justice League of America's Vibe #3.
Breacher is portrayed by Danny Trejo.

The knife the character wields is somewhat large and reminiscent of a machete, likely a reference to Breacher's actor Danny Trejo's popular film role of Machete.