|Powers and Abilities|
Rectracable Tail Stinger
|Voice Actor||Dee Bradley Baker|
|First Appearance||Prisoner 755 is Missing|
ChamAlien has a slim body that resembles a large gray lizard with darker gray camo-esque spots all over his body and a short tail. He has three triangular eyes, the left being blue, the right red and the top green, but the red and blue eyes are the only ones that blink, while the green eye doesn't. The top of his head is dark-purple, with a spike-shaped fin on the back of his head. He has four-fingered hands and three toes on his frog-like feet. He also has a wide mouth with sharp teeth and speaks in a high-pitched German accent. ChamAlien wears the Ultimatrix symbol on his chest.
In Ben 10: Unbound, he has Ultimate Alien appearance but has all green eyes. He wears a black and green suit. His tail is longer. His fin is a bit sharper.
In Legion Of Ultimate Superheroes, he has his Ultimate Alien appearance.
- Retractable Stinger in Tail
- Sticks to Surfaces
- Super Strength
In Stan 14 he is known as Overkill, but later it's ChamAlien.
In both Ven 10's, he is called Overkill.
Ben 10: The Omniwars
He is voiced by Dee Bradley Baker (for both Ben and Albedo).
Ben 10: Super OmniverseHe now has Green spots and stripes. He appears in Dimension Destruction: Part 1 to try and ambush Evil Ben but failed. In The Strange Case of Mr. Pesident and Ben 10! he sneaks through the air vents. He appears in The Faction Return to climb an elevator shaft.
Karlo 10: Ultimate Force
Ben 10 Awesome of Aliens
- The More Look Things Part 3
- The Future and Past
- According to Elghin that Ben's aliens is Chamalien that he will not appear first 60 episodes because Azumth can't find the pefrect one so he will return Azumth will scan.
- Mirror on the Wall (first re-appearance; by Albedo)
- Six-Seven-Eight (first re-appearance by Ben)
- Search and Annihilate
Legion Of Ultimate Superheroes
- Lightning Storm (first re-appearance)
- Mission: Possible (First Appearance)