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BT21 is a project of LINE FRIENDS and BTS created on September 26, 2017.[1]


BT21 is the first project of LINE FRIENDS CREATORS. It is a new IP co-created by LINE FRIENDS and BTS. Rather than simply creating avatars of the physical appearance of artists, BT21 consists of 8 different charming characters created by BTS members, where all of them actively participated in the whole process from drawing sketches to elaboration.[2]



The BT21 characters, family and friends, follows the story:

From the far distant space, TATA was always curious about everything across the universe. During his journey with VAN, they fell down to Earth accidentally. There. TATA made up his mind to become a superstar and met 6 of the most charming members: RJ, CHIMMY, COOKY, MANG, SHOOKY, KOYA. This is the beginning of the future UNIVERSTAR BT21...
— BT21's Official Website, 2017–2019.[3]

Prince TATA from Planet BT, who had been traveling with VAN, crashed on Earth. In order to spread love, TATA decides to become a star. Finally, they have met six fascinating members: KOYA, RJ, SHOOKY, MANG, CHIMMY, and COOKY and together, they make ‘BT21’, and they are dreaming of becoming the most famous stars in the universe, THE UNIVERSTAR! Will BT21 become UNIVERSTAR, and spread love around?
— BT21's Official Website, 2019.[4]

Hailing from Planet BT, Prince TATA dreams to spread love across the galaxy. Deciding that destiny is at hand, TATA summons guardian robot VAN to prepare for an interstellar journey to Earth. Shortly after arrival, the Prince concludes that the most effective means to win over the hearts of earthlings is to become a super, no... something much more ambitious. A UNIVERSTAR. Realizing that a collective effort is crucial, TATA & VAN scout for like-minded hopefuls to share in the dream. Soon they discover 6- KOYA, RJ, SHOOKY, MANG, CHIMMY and COOKY- to become what will be known as the most influential pop-culture sensation the galaxy has ever witnessed. BT21.
— BT21's Official Website 2020–2023.[5]


BT21 Family & Friends

List of the characters in the story.



KOYA's Relations[]

  • TOLL
  • LEAF
  • MOYA

RJ's Relations[]

  • RA
  • Rㄱ
  • RK
  • DJ

SHOOKY's Relations[]


MANG's Relations[]

  • CONN
  • HO-PU
  • SOOK
  • HEE

CHIMMY's Relations[]


TATA's Relations[]

  • FAFA
  • TUTU
  • TITI

COOKY's Relations[]

  • C-GUL
  • IAN


A list of BT21 collaborations and the items created.

  • Dunkin Donuts: donuts, drinks and cups. (February 2018–present)
  • Monopoly: bags, notebooks, straps, notes, magnets, etc. (April 2018–present)
  • Olive Young: handcream, perfume body, towel hoodie, etc. (June 2018–present)
  • Mediheal: face point masks. (June 2018–present)
  • T-Money: money cards. (June 2018–present)
  • Paris Baguette: cakes, bread, desserts, ice creams, etc. (July 2018–present)
  • Incheon Airport: promotion of Incheon airport. (July 2018–present)
  • Converse: sneakers. (July 2018–present)
  • Facebook Messenger: stickers. (July 2018–present)
  • Hunt Innerwear: pajamas. (July 2018–present)
  • CGV Cinemas: tumblers. (September 2018–present)
  • 10x10: retractable cables, selfie stick, powerbank, etc. (September 2018–present)
  • Anti Social Social Club: T-shirts, hoodies and hats. (November 2018-present)
  • Hello Kitty: T-shirts, hoodies, lunchboxes, dinner plates, etc. (May 2019-present)
  • Uniqlo: T-shirts. (June 2019-present)
  • CARAN D’ACHE: pens, cases, etc. (October 2019-present)
  • Vice Cosmetics: blush and highlighter duos, cheek tint, and eyeshadow palette, etc. (October 2019-present)
  • TIKTOK: stickers. (November 2019-present)
  • pinkfong's Baby Shark: music remix. (December 2019-present)
  • Bershka T-shirts and sweatshirts. (January 2020-present)



  • BT21 is an idea made by Si-Hyuk Bang after the album Love Yourself: Her remains in the top 20 of the Billboard 200 four weeks after its release. [6]
  • BT21’s eight cartoonish characters were inspired by drawings created by the seven BTS members, with one correlating to each member and the final one representing the band and its fandom, ARMY.[7]
  • The BT21 characters are gender-neutral.
  • The fandom name for BT21 is UNISTAR


Wiki-wordmark To view the BT21 gallery, click here.