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Chill, dude.

– One of Big Chill's many puns.[1]

Big Chill is the Omnitrix's DNA sample of a Necrofriggian from the planet Kylmyys.


Ben as Big Chill

Big Chill is a humanoid, moth-like alien whose four wings and antenna can fold up into a hooded robe (much akin to a poncho), giving him the appearance of a phantom. He has a black body with cyan patches on his arms, shoulders, legs, the back of his wings, and the back of his neck that resemble ice chunks. Each patch has thick blue outlining except for the ones on his wings, which are outlined in black. There is also a black line that runs on the edge of the outer margin on the back of each wing.

On his torso are three plates: one resembling the chest, a shorter plate under the chest, and one resembling the stomach. On his face are blue cheeks and under jaw, a mouth that always shows bluish-white teeth, and large green eyes with dark green spots. The top of his head also sports a blue Y-shaped marking that extends over his scalp. He has three pointed fingers and a thumb on each hand, and two toes on each foot and a third toe-like extension on his ankles.

In Alien Force and Ultimate Alien, Big Chill wore the original Omnitrix/Ultimatrix symbol on his chest.

In Alien Swarm, Big Chill had more of a grey color scheme and his mouth moved when he talked.

In Heroes United, Big Chill had a paler color scheme, the patches on his body were not symmetrical, and his hands had five less pointed fingers.

In Omniverse, Big Chill has a much more muscular build and is more hunched over, also now having sharp eyebrows surrounding his eyes. He has bigger wings, claws, and a black beard design under his chin. His wings are less moth-like and more bat-like. His chest piece now extends over his entire chest and sports three gill-like marks on each side. There is also a line running down his abdomen. He has a wider mouth and has a blue stripe on his chin. He also now has a third antenna that folds onto his back in wing mode. When his wings are folded, the antennae form a larger hood and the robe goes down to his ankles instead of his knees.

16-year-old Big Chill wears a green belt with a white stripe with the Omnitrix symbol on his waist, while 15-year-old Big Chill wears the original Omnitrix symbol on his chest to reflect his original appearance.

Albedo as Negative Big Chill

In Alien Force, Negative Big Chill looked exactly like Ben's Big Chill.

In Ultimate Alien, Negative Big Chill looked the same as before, except his eyes were recolored red and he lacked an Ultimatrix symbol.

In Omniverse, Negative Big Chill looks just like 16-year-old Big Chill in Omniverse but has a paler color scheme, a red belt with a red Ultimatrix symbol on it, and red eyes.

Powers and Abilities

Big Chill is capable of breathing a wind or beam that reduces the temperature surrounding it, turns to ice constructs mid-air or upon touching a target, or encasing a target completely in ice. His breath can be as strong as wind, capable of pushing the Rust Bucket 2 off a cliff.[2]

Big Chill can freeze strong adhesives using his ice breath and make them brittle.[3]

Big Chill can fly using his wings, normally by gliding. He can also leave behind an ice trail while flying.[4]

Similar to Ghostfreak, Big Chill can become intangible, albeit to the point where he can cause opponents and objects to freeze by phasing through them, though he can choose not to.

Big Chill has cryokinesis, allowing him to control the ice he generates at will. He can also generate ice beams from his hands which he can manipulate.[5]

Big Chill can form manipulatable ice constructs from the ground by touching it.[6]

Big Chill can freeze objects just by touching them.[7][8]

Big Chill has enhanced strength, as seen when he was on a metal-eating spree, where he effortlessly ripped apart a large metal statue and snapped iron girders in half.[9] He can also carry a Revonnahgander while keeping steady flight.[3]

Big Chill's strength extends to his feet, which are prehensile, as he can carry an Opticoid while flying.[10]

Big Chill is rather durable, as he was able to take a laser blast to the back from Kraab and only be slightly fazed.[11] Despite this, Big Chill prefers to use his intangibility to avoid being hurt.

Big Chill is quite agile, as he is capable of dodging attacks while flying.[3]

Big Chill is immune to extreme temperatures, both hot and cold.[12] As such, he can drink molten steel without suffering severe internal damage.[9]

Big Chill can survive underwater,[13] as well as in the vacuum of space.[11][8]

Big Chill can levitate without using his wings.[7][14]

Big Chill has powerful jaws capable of chewing up and devouring metal statues, poles, buildings, signs, iron girders, and serving trays.[9]

Big Chill possesses sharp claws, which were able to tear through Inspector 13's suit to remove one of his devices.[15]

Big Chill can cover his eyes by folding his eye flaps to prevent him from looking at things he should not see, such as a Psycholeopterran's hypnotic mist.[4]

Big Chill can withstand radiation, such as that generated by a Prypiatosian-B.[16]


Big Chill's intangibility is useless against opponents who can also turn intangible, such as Ectonurites and other Necrofriggians, as it will cancel out their abilities to do so.[12]

The only inanimate objects that have been able to touch intangible Big Chill are the Rust Bucket 2's netting,[2] the Shield of Seagle,[17] the Techadon Factory's defense systems,[18] and the Plumber Headquarters' prison cell door.[15]

Being a Necrofriggian, Big Chill is vulnerable to being hypnotized and trapped by a Psycholeopterran. His ice breath is also useless against Psycholeopterrans, as shown when Hypnotick escaped using her own intangibility.[4][19]

Big Chill can be harmed by electricity, such as that generated by a Cerebrocrustacean[20] and/or the Shield of Seagle.[17]

Big Chill is incapable consuming anything other than metal, as shown when he was uninterested in devouring Kevin's stone armor.[9]

Big Chill is vulnerable to magic, as shown when he was trapped by one of Gwen's mana spheres. However, he can easily phase out of it.[9]

Big Chill is sensitive to high-pitched sounds, such as those of an Evolved Sonorosian's Sonic Disks, as demonstrated with several Albino Necrofriggian guards.[12]


Alien Force

Ultimate Alien



Season 1
Season 2
Season 3
Season 3

16-year-old Ben
Season 1
Season 2
Season 3
Season 4
Season 5
Season 8
15-year-old Ben
Season 3
Season 4

Video Games

Ben 10: Alien Force

Big Chill is a playable alien in the Nintendo Wii, PlayStation 2, and PlayStation Portable versions of the game.

Big Chill and Swampfire are the only aliens available on Ben's arsenal at the beginning of the game.

Big Chill is able to glide across considerable distances, as well as ride on wind currents to temporarily increase his altitude.

Big Chill is used at the end of the Running on Autopilot level to survive the fall from the Highbreed Ship.

Big Chill is vital for progression on The Forest Mid-evil/Medieval, Bombs Away!, A Few Bad Eggs, Plumber Trouble, Rural Rumble, and Running on Autopilot levels of the game.

Ben 10 Alien Force: Vilgax Attacks

Big Chill is a playable alien in the game.

Xbox 360, Nintendo Wii, PlayStation 2, and PlayStation Portable Versions

Due to the Omnitrix rebooting after Ben's abuse of the quick-change feature during his battle with an animated Mr. Smoothy mascot, Big Chill, along with Swampfire, Spidermonkey, Humungousaur, and Cannonbolt were the only aliens available on Ben's arsenal upon his arrival on Vulpin.

Like in the first Alien Force game, Big Chill is able to glide across considerable distances and ride on wind currents to temporarily increase his altitude.

Big Chill is capable of generating spiked balls of ice around his fists, as well as hurling ice spikes. He can also cause these spikes to sprout from the ground that surrounds him.

Big Chill is the only alien form capable of defeating D'Void, freezing the Kormite energy sources to weaken the otherwise invincible foe.

Ice Storm is an unlockable combo move for Big Chill.

Big Chill is vital for progression on the Bellwood, Terradino, Encephalonus IV, Anur Phaetos, and Null Void levels of the game.

Nintendo DS Version

Big Chill and Brainstorm are reunlocked upon Ben's arrival on Encephalonus IV.

Big Chill is able to glide across considerable distances and is the only alien capable of defeating D'Void.

Big Chill is vital for progression on the Encephalonus IV, Mor' Otesi, and Null Void levels of the game.

Ben 10 Alien Force: The Rise of Hex

Big Chill is a playable alien in the game.

Due to the Omnitrix sorting out after Ben fiddled with it, Big Chill was temporarily locked until the beginning of Level 4.

Big Chill is able to double jump and glide across considerable distances, as well as slowly descend from a high altitude, avoiding hazards along the way.

Ben 10 Ultimate Alien: Cosmic Destruction

Big Chill is a playable alien in the game. Big Chill can be used for flight. His ice breath can be used to extinguish fire and freeze an object and enemies. He can attack with an "icy uppercut" as well as manipulate the cold around him to make a frosty tornado. His Ultimate form, Ultimate Big Chill, is used in a boss battle.

Big Chill is vital for progression on The Great Wall and The Amazon levels of the game.

Ben 10: Galactic Racing

Big Chill is a playable racer in this game on all platforms.

Ben 10: Omniverse 2

Big Chill is a playable alien in the game.

Punch Time Explosion and XL

Big Chill is one of 16-year-old Ben's signature attacks in the game. Ben transforms into Big Chill, calling said name in form. He flies up into the air while dropping multiple ice shards which do 13% damage and creates 3 power cubes. It is one of Ben's strongest moves due to damage and range.


Big Chill is a playable character in the game. His special moves are the Cold Rush and the Chill Out. His super move is the Ice Quake. His alternate color (when the players choose the same characters) is a darker blue/purple.

Big Chill is missing his wings, but Ultimate Big Chill still has his.

Mobile Apps

Cartoon Network Arcade

Big Chill is a collectable figure in the Cartoon Network Arcade app. He is one of the only two collectable Classic Continuity figures, the other being Bloxx.

Naming and Translations

Language Name Origin
Albanian Ngrica From “ngrica” (frost)
Arabic بيغ تشيل Bigh Tshil/Big Chil, from the original English name
Bulgarian Страшен Студ From cтрашен, scary and cтуд, cold
Chinese 寒冰幽灵 From (Hán), cold, (Bīng), ice, and 幽灵 (Yōu Líng), ghost
Croatian Ledena Avet From ledena avet, icy ghost
French Glacial From glacial, freezing/icy
German Froster From frost
Greek Μεγάλη Ανατριχίλα From Μεγάλη, big and Ανατριχίλα, chill
Hebrew מכת קור From "מכה", strike snd "קור", cold
Hungarian Nagy Fagy From nagy fagy, big chill
Italian Gelone Literally "chillblain", but also sounds like "big freezing cold"
From gelone, chill
Korean Blue Ghost From 블루 (파란), blue and 고스트 (유령), ghost
Norwegian Frostus From frost
Polish Ziąb From "ziąb", chill
Portuguese (Br) Calafrio/Friagem From calafrio/friagem, chill
Romanian Viforul From viforul, blizzard
Russian Крылатый
Биг Чилл
From крылатый, winged
From the original English name
Serbian Ledena Avet From ledena avet, icy ghost
Spanish (HA) Frío
Big Chill (The Frogs of War: Part 1)
From frío, cold
From the original English name.
Spanish (Spain) Gélido From gélido, icy
Swedish Frosten From frosten, the frost
Turkish Büyük Korku From büyük, big and korku, fear


Big Chill comes from the term "big chill", which is an event that occurs when the universe's temperature reaches absolute zero.


  • Dwayne McDuffie believes Big Chill is "sort of" female,[DM 1] whereas Matt Wayne sees him as definitely female.[MW 1] Derrick J. Wyatt thinks he could be like a male seahorse.[DJW 1]
  • Big Chill tends to make ice-based puns, which was Dwayne McDuffie's idea.[MW 2]
  • Big Chill and Swampfire are the only aliens whose natural biological behavior has overridden Ben's normal state.
  • In Kevin's Big Score, Big Chill was able to become invisible, but this was confirmed by Dwayne to be an animation error.[DM 1] He can only turn partially invisible.[MW 3] The original Big Chill promo also makes a similar mistake by claiming that he can turn "completely invisible."
  • Throughout Alien Force and Ultimate Alien, Big Chill's hologram on the recalibrated Omnitrix and Ultimatrix is mostly shown in his cloaked form, though there are a few instances where it displays him in his uncloaked form.
  • Big Chill had concept art drawn by Eric Canete. In his final design, the back view was created by Glenn Wong, whereas the front view was created by either Glen Murakami or Chap Yaep, with color styling by Chris Hooten.[GW 1]
  • Big Chill's design has many similarities with both the DC Comics character Blue Beetle and the altered and more famous interpretation of Mothman.
  • When asked if there were any aliens he would redesign, Derrick stated that he might make Big Chill skinny.[DJW 3]
  • Big Chill is one of Dee Bradley Baker's favorite aliens to voice, the other being Spidermonkey.[DBB 1]
  • The packaging of Big Chill's Omniverse figure mistakenly has his name spelled as one word.


Derrick J. Wyatt

Dwayne McDuffie

Matt Wayne

Glenn Wong

Dee Bradley Baker

Introduced in Ben 10 ArctiguanaBlitzwolferBuzzshockCannonboltDiamondheadDittoEye GuyFour ArmsFrankenstrikeGhostfreakGrey MatterHeatblastRipjawsSnare-ohSpitterStinkflyUpchuckUpgradeWay BigWildmuttWildvineXLR8
Introduced in Alien Force Alien XBig ChillBrainstormChromastoneEcho EchoGoopHumungousaurJetrayLodestarNanomechRathSpidermonkeySwampfire
Introduced in Ultimate Alien AmpfibianArmodrilloChamalienClockworkEatleFasttrackJuryriggNRGShocksquatchTerraspinWater Hazard
Introduced in Omniverse AstrodactylAtomixBall WeevilBloxxBullfragCrashhopperFeedbackGravattackGutrotKickin HawkMole-StachePesky DustThe WorstToepickWalkatroutWhampire
Future Aliens SandboxShellheadSnakepit
Ultimate Aliens AlbedoArctiguanaBig ChillCannonboltEcho EchoGravattackHumungousaurRathSpidermonkeySwampfireWay BigWildmutt
Fusion Aliens Atomic-XBig ChuckCrashockerDiamond MatterFourmungousaurHeat JawsHumungoopsaurStink ArmsUprigg
Concept Fusion Aliens GravadactylXLRG
Other Aliens in Official Media AntigraviteslaBob the BlobCartoon Network AlienEon (Retconned)MoyoInvinciblePlantapocalypsePortalerRocksShadowmanSquidstrictorStretcheleo