Hitman

Tommy Monaghan is a Gotham City hitman with superpowers. During the Bloodlines event he was bitten by a parasite that unlocked his metahuman abilities, giving him telepathy and x-ray vision. Despite his high body count, he has a deep personal code of honor. Hitman was created by Garth Ennis and John McCrea, first appearing in The Demon (Volume 3) Annual #2. (1993)