Public domain characters who do not originate from Earth but another planet, moon, star, or dimension.
To see a list of aliens organized by their planet of origin look here.
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Claw (Lev Gleason) -
Stardust the Super Wizard -
Superman (Fleischer) -
Aarn Munro -
Fin Fang Foom -
Abba -
Dr. Nazō -
Super-Brain
All items (228)
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- Mad Martian
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- Martian Manhandler
- Marvel Man
- Mashons
- Master Devil Master
- Master of the Black World
- Maytus of the Beasts
- Maza of the Moon
- Meade (Charlton)
- Mechanical Men
- Men in Black
- Menso
- Mephis
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- Mercurian Space Pirate
- Metal Man
- Metallic Men of Automata
- Meteor Men
- Micromégas
- Mirago
- Mister Mind
- Monster That Escaped
- Monsters of Living Flame
- Moon Mantis
- Moon Rabbit (Asia)
- Moon Rabbit (Native American)
- Moonmen
- Moonmites
- Mundusians
- Murder Worm
- Myra Trent
- Myrza
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