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| In-universe information | |
|---|---|
| Tribe | NightWing |
| Gender | Male |
| Meta information | |
| First appearance | The Dark Secret |
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Mastermind is an adult male NightWing and father to Starflight. He ran an experiment for the NightWings to make a armor that is venom proof. He also tried to invent a suit of armor that would allow, Queen Battlewinner to leave lava.