Ben Tennyson

* The Ultimate Crossover 1
* The Ultimate Crossover 2
* The Ongoing Adventures

## Appearance

Ben's physical appearance has changed throughout the series from a ten-year-old to a sixteen-year-old. However, he retains some recurring characteristics. He has shaggy brown hair, green eyes, pale skin, and he's quite skinny for his age, though he shows a lot of muscle definition due to being athletic.

### Regular Appearances

In the **Omniverse** flashbacks in which he was 5 years old, Ben wore green overalls with a white shirt underneath it. White numbers saying "5 1/2" were on a black square in front of his overalls.

In the original series and **Omniverse** flashbacks, Ben's usual clothes consisted of a black-striped, white shirt with short sleeves, military green cargo pants with side pockets, and black and white sneakers with black stripes. Ben wore the prototype Omnitrix on his left wrist.

In **Alien Force** and **Ultimate Alien**, Ben wore a black shirt, blue jeans and a green jacket with white stripes and the number 10 on it, and black and white Converse-style shoes. Ben wore the prototype Omnitrix in **Alien Force** and the Ultimatrix in **Ultimate Alien** on his left wrist.

In **Omniverse**, Ben wears a black shirt that has a green stripe in the middle with a white 10 and green stripes on the sides of his shirt. He wears brown cargo pants with pockets at the knees and green and white shoes. He later gains a white hooded jacket with green stripes on both arms and a green number 10 on the right side for some time. He wears the Omnitrix on his left wrist.

### Occasional Appearances

In *The Unnaturals*, he wore a blue baseball shirt with the letter "C" at the front and number 23 at the back, white shorts, blue and yellow socks, blue and white shoes, and a blue baseball helmet. Before the baseball game and after he battled the Squires and Coach Finn, he wore a blue and yellow baseball hat with the letter "C" in the middle.

During water-based activities in the original series, he wore a blue swimsuit in *The Krakken* and *A Small Problem* and a red and yellow swimsuit in *Divided We Stand* and *Big Fat Alien Wedding*.

In *Big Fat Alien Wedding*, during the wedding ceremony, he wore a purple tuxedo with a red ribbon and white polo shirt.

In *Secret of the Omnitrix*, he wore a light-blue pajamas. Later in the movie, he wore a spacesuit.

In *Ben 10 Returns: Part 1* and *War of the Worlds: Part 1*, Ben's soccer clothes consisted of the T-shirt he wore as a 10/11 year old but with the number 10 at the back, a long-sleeved green undershirt, green shorts, gray gloves with black stripes, and knee-high socks.

In *What Are Little Girls Made Of?* and *In Charm's Way*, he wore green trunks.

In **Ultimate Alien**, he wore a standard Plumber suit during a few of his off-world excursions.

In *Fused* and *Revenge of the Swarm*, Ben's sleeping clothes consisted of his usual black T-shirt and white shorts.

In *Basic Training*, while at the barracks in the Plumbers' Academy, he wore an olive tank top and black shorts.

In *Inspector 13*, he wore a green T-shirt and black shorts.

In **Omniverse**, while riding the Tenn-Speed, he wears a white helmet with the number 10 on it, a green visor, a short-sleeved black T-shirt, long white pants and a belt with the number 10 on it.

In *Special Delivery*, while working for Mr. Baumann, he wore a pink and white cap and a pink apron with a black 'B' on it.

## Powers

### Omnitrix Aliens

* Heatblast
* Wildmutt
* Diamondhead
* XLR8
* Four Arms
* Ripjaws
* Stinkfly
* Ghostfreak
* Grey Matter
* Upgrade
* Cannonbolt
* Wildvine
* Blitzwolfer
* Snare-Oh
* Frankenstrike
* Upchuck
* Ditto
* Way Big
* Eye Guy
* Articguana
* Spitter
* Buzzshock
* Putty
* Overkill
* Mindmesser
* Earthshaker (Unconfirmed Episode Appearance)
* Sandbox (Unconfirmed Episode Appearance)
* Atomix
* Toepick
* Snakepit (Unconfirmed Episode Appearance)
* Shellhead (Unconfirmed Episode Appearance)
* Ice Pick
* Blocker (Unconfirmed Episode Appearance)
* Razr Edge (Unconfirmed Episode Appearance)
* Common Cold
* Overflow (Unconfirmed Episode Appearance, not the Overflow from the Ben 10 Reboot)
* Rockhard (Unconfirmed Episode Appearance)
* Bendactyl (Unconfirmed Episode Appearance)
* Muscle Man (Unconfirmed Episode Appearance, not from Regular Show)
* Teleportal (Unconfirmed Episode Appearance)
* Darkflame (Unconfirmed Episode Appearance)
* Nightmare (Unconfirmed Episode Appearance)
* Crypto (Unconfirmed Episode Appearance)
* Angelhands
* Drillbit (Unconfirmed Episode Appearance)
* Spykeback (Unconfirmed Episode Appearance)
* Rubix-Dude (Unconfirmed Episode Appearance)
* Eon (Unconfirmed Episode Appearance)
* Joker (Unconfirmed Episode Appearance)
* Creeper (Unconfirmed Episode Appearance)
* Chromastone
* Jetray
* Spidermonkey
* Swampfire
* Goop
* Brainstorm
* Humungousaur
* Echo Echo
* Big Chill
* Alien X
* Furyfists (Unconfirmed Episode Appearance)
* Megashark (Unconfirmed Episode Appearance)
* Bonehead (Unconfirmed Episode Appearance)
* Badaboom (Unconfirmed Episode Appearance)
* Brains & Brawn (Unconfirmed Episode Appearance)
* Skybird (Unconfirmed Episode Appearance)
* Blastback (Unconfirmed Episode Appearance)
* Smashface (Unconfirmed Episode Appearance)
* Magnetude (Unconfirmed Episode Appearance)
* Gasket (Unconfirmed Episode Appearance)
* Suckermouth(Unconfirmed Episode Appearance)
* Slimeslug (Unconfirmed Episode Appearance)
* Hairyfeet (Unconfirmed Episode Appearance)
* Airphant (Unconfirmed Episode Appearance)
* Lodestar
* Nanomech
* Rath
* Timelapse (Unconfirmed Episode Appearance)
* Leapfrog (Unconfirmed Episode Appearance)
* Water Hazard
* NRG
* Armodrillo
* Terraspin
* AmpFibian
* Fasttrack
* ChamAlien
* Clockwork
* Jury Rigg
* Eatle
* Shocksquatch
* Feedback
* Bloxx
* Crashhopper
* Gravattack
* Kicking-Hawk
* Walkatrout
* Pesky Dust
* Mole-Stache
* The Worst
* Ball Weevil
* Bullfrag
* Astrodactyl
* Gutrot
* Whampire

### Additional Aliens

* ShockGripper (Unconfirmed Episode Appearance)
* Inferno (Unconfirmed Episode Appearance)
* Fusion X (Unconfirmed Episode Appearance)
* Decagon Vreedle
* Benaven
* Plantapocalypse
* Shock Rock (Locked)
* Gax (Locked)
* Mastermind (Unconfirmed Episode Appearance)
* Tentanium
* Telepathio (Unconfirmed Episode Appearance)
* Bob the blob
* Antigravitesla
* Squidstrictor
* Ventrilosquid
* Rocks
* Fury Fists
* Clorclaflock
* Cherry Cool Aid
* Ninja Cat
* GetGo
* The Shadow Master

### Ultimate Forms

* Ultimate Swampfire
* Ultimate Big Chill
* Ultimate Echo Echo
* Ultimate Humungousaur
* Ultimate Cannonbolt
* Ultimate Spidermonkey
* Ultimate Wildmutt
* Ultimate Way Big
* Ultimate Articguana
* Ultimate Gravattack
* Ultimate Rath