List of Ben 10 aliens

Feedback

 * Yuri Lowenthal - Ben 10: Omniverse

Feedback is a Conductoid (A play on "conduct") from the planet Teslavorr (From Nikola Tesla, a physicist who was renowned in his works in electric manipulation). Having plug-like outlets on his anttenae, tail and fingers, Feedback can absorb and redirect electricity.

Past Ben first used Feedback in "The More Things Change: Part 1", though he first assumed the form at an earlier point in time, and showed to be one of Ben's favorite aliens that time.

Bloxx

 * Bumper Robinson - Ben 10: Omniverse

Bloxx (a play on "blocks") is a Segmentasapien (Portmanteau for "Segment" for part and "Sapien" for wise in Latin) from the planet Polyominus ("Poly" for many), whose body is totally composed by building blocks as his name states.

His primary power is shape shifting. He can alter his body structure into any form needed; this includes some regenerative ability. He can also can use his blocks to stretch and build himself. Due his shape-changing abilities based on blocks, his body is fragile and is easily broken when hit with enough force ,but since he can regenerate it doesn't matter whether his body structure is broken or not.

Ben first uses in "The More Things Change Part 1", to save the alien grocery store of Bellwood and to help Rook disable the bomb.

Gravattack

 * David Kaye - Ben 10: Omniverse

Gravattack (A play on "gravity" and "attack") is a Galilean (From Galileo Galilei, the astronomer who discovered gravity) from the planet Keplorr (From Johannes Kepler who discovered the laws of planetary motion). He is a living rock armored planet alien with a giant mouth and a molten (planetary) core at the center of his body and has the Omnitrix symbol on his forehead.

Gravattack has the power of manipulating the gravity of himself and others, changing the mass, making it heavier or lighter. Also with his gravity manipulation, he is able to make objects "orbit" around him like a planet and he can convert himself into a planet for better influence.

He first appears in "A Jolt from the Past" to fight Fistrick in his Class 12 Armored Mecha Suit.

Crashhopper

 * Dee Bradley Baker - Ben 10: Omniverse

Crashhopper (A play on "grasshopper") is an insect-like alien with the primary power to jump long distance on a high speed, causing sonic booms. Due to his powers of jumping long, high, fast distances, he possesses a resistant skull, which is used to hit with great impact.

Crashhopper debuted in "It Was Them" to fight Dr. Animo's army of giant mutant ants and also to fight Khyber's Dog. Crashhopper is the most used alien in Ben 10: Omniverse so far.

Ball Weevil

 * Bumper Robinson - Ben 10: Omniverse

Ball Weevil (A play on "ball" and "boll weevil") is a small beetle-like alien with the ability to spit a green, round goo; this goo can absorbs matter and explode upon contact. Also he has enhanced agility which allows him to move his goo, without having trouble controlling it, to hit anywhere he wants it to explode.

Ball Weevil makes his first appearance in "Of Predators and Prey: Part 1", fighting Khyber and his dog, unable to defeat him and fails.

Walkatrout

 * Yuri Lowenthal - Ben 10: Omniverse

Walkatrout (a play on walkabout and trout) is a blue fish-like alien. It has a slippery body, enhanced agility, and is presumed to have the ability to breathe underwater.

He first appeared in "Outbreak" while Blukic and Driba were trying to fix the Omnitrix.

Pesky Dust

 * Yuri Lowenthal - Ben 10: Omniverse

Pesky Dust (a play on "pesky" and pixie dust) is a pixie-like alien who has the ability to fly.

He first appeared in "Outbreak" while Blukic and Driba were trying to fix the Omnitrix.

Molestache

 * Yuri Lowenthal - Ben 10: Omniverse

Molestache (a play on mole and moustache) is a mole-like alien with a moustache, presumably having the ability to dig.

He first appeared in "Outbreak" when Blukic and Driba were trying to fix the Omnitrix.

The Worst

 * Yuri Lowenthal - Ben 10: Omniverse

The Worst is a fat, yellow alien that wears underwear. He can withstand heavy attacks and is physically unfit.

He first appeared in "Outbreak" when Blukic and Briba were trying to fix the Omnitrix.

Kickin Hawk

 * Yuri Lowenthal - Ben 10: Omniverse

Kickin Hawk (a pun on "kicking" and "chicken hawk") is a chicken/hawk-like combatant alien with a white mohawk-like comb. His powers are retracting talons from his hand and scythe-like blades from his elbows and using them for battle. He can cut objects by using the blades on his arms.

He first appeared in "Outbreak" fighting Liam, his genetic donor despite being more chicken-like.

Astrodactyl

 * Dee Bradley Baker - Ben 10: Omniverse

Astrodactyl (From Astro and Pterodactyl) is a flying new alien that will appear in Ben 10: Omniverse confirmed by Derrick J. Wyatt.