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Mars, formerly known as The Popcorn Planet,[1][2] is a red planet and the fourth planet in the Solar System, being Earth's neighboring planet and the former home of the Martians.
History[]
Background[]
Mars was often referred to as the "The Popcorn Planet" until it was devastated by Decka's Species when one or more members ingested flesh, turning Mars into the red, desert planet it is known as today and extinguishing the Martians.[1][2]
Omniverse[]
In O Mother, Where Art Thou?, Mars appeared on a holographic display of the solar system made by Ma Vreedle.
Known Inhabitants[]

Mars as a holographic projection in O Mother, Where Art Thou?
Non-Canon Inhabitants[]
- Moyo's species
- Martians (Ben 10: Science Hero)[gn 1]
Known Visitors[]
Appearances[]
Omniverse[]
Season 4[]
- O Mother, Where Art Thou? (first appearance)
Etymology[]
The name "Mars" comes from the Latin Mars, the Roman god of war, associated with the Greek Ares. And it means "battle" or "fight" and symbolizes aggressiveness and masculinity.
Trivia[]
- The Martians from Ben 10: Science Hero do not exist in physical form, only existing in the state of "spirits".[gn 1]
- Matt Wayne believes that the Martians likely do not exist.[MW 1] Still, Derrick J. Wyatt believed that it is possible for the Omnitrix to have Martian DNA.[DJW 1]