Bolt is the name of several characters from DC Universe.
Larry Bolatinsky was a former special effects artist who became an assassin and criminal for-hire after designing a suit giving him the ability to teleport and fire energy blasts, calling himself Bolt. Larry Bolatinsky was created by Gary Cohn, Dan Mishkin and Paris Cullins, first appearing in Blue Devil #6. (1984)
Another Bolt is Alinta, a former criminal turned Teen Titan, who was conscripted into Amanda Waller's Justice Squad as its Flash, in exchange for powers of superhuman speed. Alinta was created by Robbie Thompson and Javi Fernandez, first appearing in Future State: Teen Titans #1. (2021)