Four Arms

Four Arms is the Codon Stream's DNA sample of a Tetramand from the planet Khoros.

Appearance
Four Arms is a humanoid alien that is approximately 12 feet tall, has well developed muscles, two pairs of four-fingered arms and red skin. The black stubble stripe goes from the bridge of his nose to his neck. A second black stripe goes from his chin to his lower lip, and he has four eyes: a main pair and a smaller pair below them.

In the original series, Four Arms wore a white t-shirt with a line going down it, black pants and fingerless gloves. He wore the Omnitrix symbol on his upper left shoulder.

In Ultimate Alien, Four Arms wears gold wrist and ankle bands, he has black underpants that have a gold waistband and two golden sashes going across his chest, also he has a black ponytail and he wears Ultimatrix symbol on his chest.

Gwen as Four Arms has her pants, her chest is light blue, her arms, neck and back are dark blue. Her skin is darker red and she has Gwen's hair. She wears the Omnitrix symbol on her upper left shoulder.

In Ben 10-Generator Rex: Heroes United, Four Arms has pants and has fingerless gloves, giving him the look of Four Arms in the original series.

Powers and Abilities
Four Arms is extremely strong.

Four Arms is so strong that he can create shockwaves simply by pounding his fists or clapping all four of his hands together, dubbed the "Big Smack".

Four Arms' leg strength allows him to jump across entire city blocks in a single bound.

Four Arms can punch the ground and make a huge shock wave.

Weaknesses
Sometimes Four Arms' bulk is a disadvantage, all the extra mass of his muscles makes him relatively slow, and his size likewise makes using things designed for smaller species difficult.

When under the effects of a cold, Four Arms's strength and stamina are weakened and he develops pungent hives in his armpits.

Ben 10,000 Alternate Timeline
In an alternate timeline's future, Four Arms has a better developed forehead, more muscle mass and a pair of jutting incisors.

Four Arms wears his fingerless gloves and the same pants and shirt as the original series but his sleeves are gone, showing more muscles. He wears the Omnitrix symbol on his chest.

Ben 10 and Ultimate Alien

 * Four Arms first appeared in Washington B.C., where he battled Dr. Animo's mutant mammoth.
 * In The Krakken, Four Arms pretended to be a sea monster, scaring Gwen and escaped the Krakken.
 * In Tourist Trap, Four Arms played with a giant rubber band ball.
 * In Kevin 11, Four Arms defeated Six Arms.
 * In The Alliance, Four Arms battled Rojo's gang and Vilgax's drones, but escaped to take Grandpa Max to hospital.
 * In Lucky Girl, Four Arms battled Hex's monsters.
 * In Side Effects, Four Arms with a cold pretented to be a giant bug, scaring Gwen, saved Couscilwomen Liang from some black widow spiders and accidently destroyed Clancy's home while being attacked by ants.
 * In Secrets, Four Arms appeared when the Omnitrix malfuntioned, destroying Vilgax's machine.
 * In The Big Tick, Four Arms was defeated by the Great One.
 * In Framed, Four Arms was used by Kevin to steal a video game. Four Arms battled Kevin as Diamondhead, Heatblast, Stinkfly, himself and Kevin 11.
 * In Grudge Match, Four Arms battled Technorg.
 * In The Galactic Enforcers, Four Arms battled Sixsix and Vulkanus and helped Tini save a falling building.
 * In Ultimate Weapon, Four Arms defeated Ah Puch.
 * In Tough Luck, Four Arms saved a bus of elderly people from falling off a cliff.
 * In Ghostfreaked Out, Four Arms battled Zs'Skayr.
 * In Back With a Vengeance, Four Arms appeared in a photo and later defeated a Null Guardian Vilgax was riding.
 * In Ben 10,000 (episode), an alternate timeline Four Arms battled Dr. Animo.
 * In Game Over, Four Arms unwillingly battled Ishiyama on video game.
 * In Super Alien Hero Buddy Adventures, Four Arms saved persons in falling roler coaster.
 * In Under Wraps, Four Arms tried to milk some cows.
 * In The Unnaturals, Four Arms battled the Squires.
 * In Monster Weather, Four Arms battled S.A.M.
 * In The Visitor, Four Arms battled Vilgax's drone.
 * In Perfect Day, a dream Four Arms battled Vilgax.
 * In Don't Drink the Water, a baby Four Arms escaped the police.
 * In Ben 10: Secret of The Omnitrix, Four Arms failed to save Gwen from some Floraunas.
 * In Ready to Rumble, Four Arms wrestled many opponents.
 * In Ken 10, an alternate timeline Four Arms battled Devlin.
 * In Ben 10 vs. the Negative 10: Part 2, Four Arms battled the Negative 10.
 * Four Arms battled Retaliator in Ben 10: Destroy All Aliens.
 * Four Arms returned to Ultimate Alien in Video Games, he was used to defeat Ssserpent and he was probably scanned by Oliver Thompson.
 * In Escape From Aggregor, Four Arms battled a yeti before transform into Brainstorm.
 * In Hero Time, Four Arms beats Captain Nemesis in a tug of war.
 * In Map of Infinity (episode), Four Arms held up a giant door in Mykdl'dy.
 * In Reflected Glory, Four Arms battled some Forever Knights.
 * In Where the Magic Happens, Four Arms chased Ultimate Aggregor.Fourarms_16_10.PNG
 * In The Forge of Creation, Four Arms was used by both Bens to battle Ultimate Aggregor.
 * In Girl Trouble, Four Arms battled some robots from Dimension 12.
 * In Basic Training, Four Arms helped Tack and later battled Kolar.
 * In Ben 10,000 Returns, Four Arms helped strap the Hands of Armagedon into the Rust Bucket III.
 * In Moonstruck, Four Arms helped unload the Rustbusket.
 * He appears in Ben 10-Generator Rex: Heroes United to battle Alpha. Also, Alpha also turns into Four Arms.
 * In Inspector Number 13, Four Arms defeated Inspector 13.
 * In Couples Retreat, Four Arms made a brief appearance.
 * In Night of the Living Nightmare, Four Arms battled a DNAlien.
 * In The Beginning of the End, Four Arms battled some Esoterica in Kevin's garage.

Appearances
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Ben 10

 * Washington B.C.
 * The Krakken
 * Tourist Trap
 * Kevin 11 (accidental transformation; selected alien was Stinkfly)
 * The Alliance
 * Lucky Girl
 * Side Effects (sick)
 * Secrets
 * The Big Tick
 * Framed
 * Gwen 10 (used by Gwen)
 * Grudge Match
 * The Galactic Enforcers
 * Ultimate Weapon
 * Tough Luck
 * Ghostfreaked Out
 * Back With a Vengeance (3x)
 * Ben 10,000 (used by Ben 10,000/Adult Ben) (alternate timeline)
 * Game Over
 * Super Alien Hero Buddy Adventures
 * Under Wraps
 * The Unnaturals
 * Monster Weather
 * The Visitor
 * Perfect Day (Ben's/Enouch's Dream World)
 * Don't Drink the Water (baby; as Baby Four Arms)
 * Ready to Rumble
 * Ben 10: Secret of The Omnitrix
 * Ken 10 (used by Ben 10,000) (alternate timeline)
 * Ben 10 vs. the Negative 10 (Part 2)
 * Ben 10: Destroy All Aliens

Ben 10 Shorts

 * Hijacked

Ben 10: Ultimate Alien

 * Video Games (first re-appearance)
 * Escape From Aggregor
 * Hero Time
 * Map of Infinity
 * Reflected Glory
 * Where the Magic Happens
 * The Forge of Creation (accidental transformation; selected alien was Big Chill (by 16 year-old Ben) and Upgrade (by 10 year-old Ben)
 * Girl Trouble
 * Basic Training (2x)
 * Ben 10,000 Returns
 * Moonstruck
 * Inspector Number 13
 * Couples Retreat
 * Night of the Living Nightmare (Dream)
 * The Beginning of the End

Specials

 * Ben 10-Generator Rex: Heroes United (Used by Ben and by Alpha)

Video Games

 * Ben 10: Protector of Earth
 * Ben 10 Ultimate Alien: Cosmic Destruction
 * Ben 10: Galactic Racing
 * Punch Time Explosion XL

Comics

 * Alien Data Files: Four Arms
 * Old Friends
 * Nemesis (by Ben and Copy Ben)
 * Ole
 * Fusionfall Manga}}

Ben 10: Protector of Earth

 * Four Arms is one of the first aliens available. He also has unlockable Dark Heroes and DNA Force skin. His special attack (which involves throwing a rock at his opponent) is the most powerful out of all the other playable characters in the game.

Ben 10 Ultimate Alien: Cosmic Destruction

 * Four Arms is an exclusive character for the PS3, much like Rath is exclusive for the Xbox 360. Both have super strength as their main power.

Ben 10: Galactic Racing

 * Four Arms is a playable alien in Galactic Racing.

Punch Time Explosion XL

 * Four Arms is the "Punch Time Explosion" attack for the Young Ben.

Trivia

 * In Cartoon Network's online game Fusion Fall, Four Arms has a nano made after him.
 * In Project Exonaut, Four Arms is a level 30 suit.
 * Four Arms's Ultimate Alien appearance is similar to Kintaro and Goro from Mortal Kombat.
 * In Goodbye and Good Riddance, a kid at Ben's school called Four Arms "Quad Hands".
 * In Mad, Four Arms was the first alien transformed into by Benjamin Franklin. He was colored purple, had his original clothes, the original Omnitrix symbol and Ben Franklin's hair and sleeve cuffs.
 * Four Arms has the most voice actors of any alien.