Having gotten tired of being the villain, Hunter decided to become 'the hero' as Jay Garrick/The Flash, stylized as the Crimson Comet, borrowing the name from the speedster he found on another Earth and kept as prisoner.
Later, using Velocity serums, Hunter managed to artificially increase his speed to the point where he could break the dimensional barrier.
Following this, he escaped and began acting as a supervillain known as Zoom, stylized as the Speed Demon. Labs particle accelerator explosion, Hunter was affected during electroshock therapy by the dark matter emitted, giving him superhuman speed and various other abilities derived from it. Years after witnessing his father murder his mother when he was a child, Hunter became a serial killer. Hunter Zolomon was a meta-human speedster from Earth-2.
' You can't lock up the darkness.' -Hunter Zolomon