Alpha

Alpha is a fictional character in the DC Comics universe. He is a martial artist created by writer Kelley Puckett and artist Damion Scott as a villain to Batgirl, and he first appeared in Batgirl #35 (2003). An extraordinarily skilled martial artist, Alpha was one of the instructors hired by assassin David Cain to train his young daughter Cassandra. Years later, once Cassandra had become Batgirl, she encountered Alpha again. Working as an international terrorist-for-hire, Alpha had planted a Fusion Bomb in Gotham City, only to be struck with amnesia before he could leave the city. Once she tracked him down, Batgirl saved Alpha from mob members that he had betrayed. She convinced the amnesiatic Alpha that he was a heroic Secret Agent named Michael Sommers (explaining his skills and equipment), and enlisted his help in locating the nuclear device. Alpha was able to remember that the bomb was at city limits, but as he arrived at the location with Batgirl, Alpha remembered his true... full article at wikipedia