|Powers and Abilities|
|Abilities|| Super Strength|
|First Appearance||Unlimited Power (John Smith 10)|
Grey Meteor is a gray, muscular humanoid figure. He is wearing a green suit, opposing Ultimos' yellow suit. Unlike Ultimos, he has no cape or gloves. He has green eyes and the Omnitrix symbol on his chest.
In Ahmad 15, he wears a red suit, with a blue pants, two brown boots, the red Strike Omnimatrix symbol on his chest, a face identical to Ultimos, except with red eyes, blue gloves and a red cape with a blue back.
Powers and Abilities
Grey Meteor has super strength, being more than a match for Humungousaur. He can fly, has laser vision and freezing breath. He has super durability, letting him take high power attacks with ease. This durability also gives him aging immunity, as he was able to take a time ray and survive.
Dimension 1 (John Smith 10)
Grey Meteor was unlocked when Ultimos was accidentally and unknowingly scanned in Castle Maze.
- Unlimited Power (John Smith 10) (first appearance) (accidental transformation; selected alien was Eatle)
- War with the Titans (first re-appearance)
- For a Few Brains More (John Smith 10) (first re-appearance)
By Puppet John
Dimension 13 (Kingdom Hearts)
This is the version of Grey Meteor that appears in the Kingdom Hearts dimension. It is the signature alien of Xaldin.
- Beast's Castle (first re-appearance)
- 7 Princesses of Heart (x2)
- Door to Darkness
- Organization XIII Part 2
By Xaldin Replica
- Fading into Darkness (By Replica)
Dimension 777 (John Smith 10: Final Fantasy)
Grey Meteor first appears as an enemy in the Northern Crater
Summoned by Ian
Dimension 763 (Omnimania)
Grey Meteor is an alien form available to several characters in the series.
Dimension 40 (Ya-Mi-Oh!)Grey Meteor is an alien in the Dueltrix. While not being used directly, it is used in fusion aliens.
- GoodKnight (first appearance)
- He is used by a 20 year old Curtis and his name is Fortis Grey.