[1] Upon creating a machine that would enable him to see through objects, Mirror Man began targeting Batman so that he can find out his secret identity.
[3][4] Mirror Man later escapes from prison and begins another plan to expose Bruce Wayne as the true identity of Batman.
[5] Bruce Wayne outwits Mirror Man's thugs at the Gotham Museum which is witnessed by Vicki Vale.
[6] Following the Crisis on Infinite Earths storyline, Mirror Man is among the villains freed from Gotham State Penitentiary by Ra's al Ghul.
However, Ventris was one of the freed villains who chose not to take part in the mass attack on Batman staged by Ra's and instead went into hiding, and has not been seen since.