Zero, or its numerical form 0, can refer to the following:
- Zero (Exotoro) - A character who first appeared in Fantendo Smash Bros. Victory.
- Zero (Voidverse) - A character from the The Colin Four Saga.
- Zero (Mega Man) - A character from the Mega Man series.
- Zero (Kirby) - A recurring boss from the Kirby series whose name is often written as 0.
- Zero Suit - A suit that Samus Aran sometimes dons that allows her to fully make use of her acrobatic skills.
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