Zack Overkill is an ex supervillian living in the witness protection working as a mail clerk in an office, forced to take medication that suppresses his powers, Zack is bored out of his mind. He decided to take drugs to cope with his mundane life, when he discovers that the medication effects aren't working any more because of the drugs he's taking he decides to put on a mask and roam the nights. Acting as a vigilante rather than a supervillian to avoid the "heat" while still relieving his boredom. While he avoids too much attention from law enforcement his actions still reveal to his old 'friends' that he is actually alive and they begin searching voraciously and violently for Zack.
Collected in Incognito.