|Powers and Abilities|
|First Appearance||The Ultimate Enemy Part 1 (John Smith 10)|
|Evolved Form/Devolved Form||Ultimate Gravattack (Earth-68)|
Gravattack is literally a living planet. He is a large, bulky, reddish-brown alien with rocky skin, a giant mouth and a molten lava planet core at the center of his body. His feet are tan with three toes. He has three fingers and one thumb on each hand. He wears black shorts with green stripes and a green belt with white stripes. He wears the Omnitrix symbol on his forehead.
When used by the Intellectuary, his right eye is chipped off.
Powers and Abilities
Same as canon Gravattack. He can create and fight with gravity balls, which can range from small fast ones, to large powerful attacks.
Same as canon Gravattack. If attacked while using his gravity powers, it can disrupt his attack. He is vulnerable to electricity.
Dimension 1 (John Smith 10) appearances
Gravattack was unlocked when Brago grabs the Omnitrix, allowing it to scan his DNA. It was the first Omniverse alien to appear.
- The Ultimate Enemy Part 1 (John Smith 10) (first appearance)
- The Ultimate Enemy Part 3 (John Smith 10) (used by clone 1)
- John Smith 10 Christmas Special (x2)
- Couples Retreat (John Smith 10) (first re-appearance)
- Map of Infinity (John Smith 10)
- Out of Luck
- The Secret of Chromastone (John Smith 10)
- Trip to Naboo
- Reunion (John Smith 10)
By Metal John
By Ultimate John
- Checkmate (John Smith 10) (with a broken arm)
By John 10,000
- Halloween Town (first re-appearance)
- Twilight Town
- Phantom of Twilight
- Revenge of Darkness
Dimension 10 (Ben 10)
Gravattack is an alien used by Ben Tennyson.
Dimension 13 (Kingdom Hearts)
By Phantom X
Dimension 777 (John Smith 10: Final Fantasy)
Gravattack first appears being summoned from the black materia, having the power to summon a meteor to the planet and destroy it.
Summoned by Rob Lucci
Dimension 3 (Jane Smith 10)
Gravattack is first used after it is unlocked by John Smith.
- Lord of Chaos (first appearance)
- The Rooters of All Evil Part 2 (Jane Smith 10)
- D'Void (Jane Smith 10)
- OTTO Motives (Jane Smith 10)
Dimension 720 (Samurai Tales)
Samurai, the main character, uses its powers without transforming into it.
Dimension 40 (Ya-Mi-Oh!)
Gravattack is an alien in the Dueltrix. While it's not used directly, it is used in fusion aliens.
Dimension 763 (Omnimania)
Gravattack is an alien form available to several characters in the series.