Wonder Woman: Encyclopedia of Villains

Name: Mayfly
First Appearance: Wonder Woman #78 (1993)
Creators: William Messner-Loebs and Lee Moder
Abilities: Expert with firearms. Skilled sniper. Possesses long range rifle armed with rocket propelled bullets. Possesses super speed, allowing her to move at incredible speeds. Can imbue her super speed into the bullets she fires.


Backstory: A hemophiliac assassin whose moniker of Mayfly is because she lives every day as though it were her last. Moon Robinson grew up in a neglectful home to parents who did not want her until their death in a car accident, leading to her winding up in an orphanage and then the streets.

Learning to fight, to kill in order to survive. Moon would get her hands on the deadly drug ‘Velocity 9’ which grants superspeed to those who take it at the cost of a rapidly diminished lifespan.

When the alien Dominators invaded the Earth and unleashed the gene bomb which granted many Earthlings superpowers unlocked from within their power inclined DNA, Moon Robinson was one of the lucky few who gained metahuman abilities from the incident. Granted increased powers of speed which enhanced what Velocity 9 had done for her while overwhelming any negative effects that it was having upon her body.

Becoming an assassin in order to live, Mayfly would use her powers to terrible ends. Slaughtering hundreds for millions of dollars. Taking contracts from the most seedy of politicians. The cruelest of dictators. And the most heartless of businessmen. All for the sake of proving herself to be stronger and keep anyone from looking down upon her.

Over the years purchasing properties across the world and a libraries worth of aliases and false identities, Mayfly was a dangerous foe whose incredible speed and skill with a gun ensured that few would ever see her coming.

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