Godspeed (character)

When his brother is murdered and the man he suspects is exonerated, he becomes vengeful and eventually gains speed-based superpowers.

Donning the identity of Godspeed, he becomes a vigilante bent on killing criminals instead of incarcerating them, serving as an antithesis to the Flash.

[1] His brother was murdered by a career criminal and his killer was let free due to the evidence being destroyed in a lightning strike.

[2][3] Afterward, August attempts to become a superhero, being both an ally and enemy to the Flash due to his violent methods.

[citation needed] This version is a scientist from the year 2049 whose abilities are derived from tachyon technology that replicates the effects of the Velocity drug.