The Anti-Monitor is a supremely powerful being who controls the Antimatter Universe, acting as an evil counterpart to his brother the Monitor. During the Crisis on Infinite Earths he almost succeeded in destroying the positive matter Multiverse, killing untold billions in the process. He has been involved with the Sinestro Corps and the Black Lantern Corps. Anti-Monitor was created by Marv Wolfman and George Pérez, first appearing in Crisis on Infinite Earths #2. (1985)

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