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Jonathan Mayhew (New Earth)

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A member of Gotham high society, Mayhew was part of a group of eccentrics who developed a reputation, in later years, for drug-fueled excess. Among his friends were Thomas and Martha Wayne, and Mangrove Bierce.

However, shortly after the death of the Waynes, Mayhem became involved with the secret cult known as the Black Glove and would later be part of a dark ritual to summon the demon Barbatos. John was in charge of filming the ritual, to later use the footage as evidence against Martha Wayne, but the whole ceremony was destroyed by a time traveller Bruce Wayne. During this time, he engaged to another member of the Black Glove, Marsha Lamarr.[1]

Years later, Mayhew associated himself with the Batman, and helped him bring together the multinational crew of vigilantes who became the Club of Heroes. However, the other members of the club regarded him as a rich pretender without the drive or patience to become fit enough to become a proper hero.

Many years later, when Batman tried to bring the Club of Heroes back together, Mayhew took the identity of "El Sombrero", an Argentine maker of death-traps. On behalf of the Black Glove, Mayhew menaced the group, but he was unsuccessful and was killed by the Black Glove when his island exploded.


  • Although this character was originally introduced during DC's Earth-One era of publication, their existence following the events of the 1985-86 limited series Crisis on Infinite Earths remains intact. However, some elements of the character's Pre-Crisis history may have been altered or removed for Post-Crisis New Earth continuity, and should be considered apocryphal.


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