Zero Gravity:

• Hero Names: Null Gravity, Voidfall, Weightless, Anti-Grav, Celestial Drift, Ephemeral Flight, Quantum Leap, Freefall, Untethered, Astral Glide, Nebula Shift, Gravity Breaker, Zero-G, Levitate, Ascension, Skybound, Etheria, Aether, Void Walker, Celestial Weaver.

• Villain Names: Null Point, Voidbringer, Gravity Thief, Downfall, Black Hole, Singularity, Implosion, Voidstorm, Dark Orbit, Shadowfall, Abyssal Dive, Gravity Crusher, Zero-G Phantom, Levitator, Descension, Earthbound, Terra, Obsidian, Void Lord, Celestial Tyrant.

These names incorporate aspects of zero gravity, using words that evoke a sense of weightlessness, space, and the manipulation or absence of gravity. The hero names tend towards positive or neutral connotations, while the villain names lean towards darker, more ominous imagery. The variety in style allows for diverse character interpretations.