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The version of Bizarro currently depicted in DC's mainstream continuity possesses all the abilities of Superman but with a childlike mentality and method of speech.

He is created by Batman's arch-foe the Joker when the villain steals the powers of the fifth-dimensional imp Mr. Mxyzptlk.

Creating a twisted version of Earth called " Jokerworld " — a perfect cube with Joker's image on each facet — the villain designates Bizarro to be the planet's greatest hero and leader of a reimagined " JLA " ( the " Joker's League of Anarchy ").

When Mxyzptlk regains his powers, the imp allows Bizarro and several other beings to remain on the restored Earth.