ATTI Members Profile

ATTI (아띠) is an independent London Kpop girl group. The group consists of 3 members: Nicole, Chunseo & Coco. They previously debuted as KAACHI, on April 15, 2020 with the single, ‘Your Turn” under FrontRow Records. On February 28, 2023 it was announced that KAACHI officially disbanded and ATTI will be a new beginning for them. ATTI officially debuted on August 11, 2023 with the single “Blue“.

ATTI Fandom Name:
ATTI Official Fan Color: Sky Blue

ATTI Official Accounts:
Twitter: Attiofficial_
Instagram: attiofficial_
Youtube: ATTI

ATTI Members Profile:

Stage Name: Coco (코코)
Birth Name: Do Yeonsoo (도연수)
Birthday: January 5, 1994
Zodiac Sign: Capricorn
Height: 163 cm (5’4″)
Blood Type:
Nationality: Korean
Instagram: coco.ysdo
YouTube: 하이욜 코코 (Hiyol Coco)
TikTok: @cocoysdo9415

Coco Facts:
– Born in South Korea and moved to London in 2016.
– She was a member of KAACHI. (2020-2022)
– She is currently leading a dance class at the V&A Museum in London.


Stage Name: Nicole (니콜)
Birth Name: Nicole Harddisson Hernandez
Birthday: August 25, 1999
Zodiac Sign: Virgo
Height: 157 cm (5’2″)
Blood Type:
Nationality: Spanish
Instagram: nini._nicole
Twitter: kole_rin

Nicole Facts:
– Born in Mérida, Venezuela but raised in Tenerife, Canary Islands (Spain) and moved to London in 2011.
– She was a member of KAACHI. (2020-2023)
Trained in 1 Million Dance Studios for a month.
– She was a member of UJJN, a London dance group.
– Loves horror films as well as musical films.
– Was a back-up dancer for MiSo (former GirlsGirls member) in her London concert.


Stage Name: Chunseo (준서)
Birth Name: Ruth Guillem Gomez
Position: Maknae
Birthday: May 28, 2000
Height: 162 cm (5 ft 3¾ in)
Blood Type:
Nationality: Spanish-Filipina
Instagram: _chunseo
YouTube: ChunTube
TikTok: @chunseo.o

Chunseo Facts:
– Born in Valencia, Spain and moved to London in 2014.
– Half Filipino (Mother’s side).
– She was a member of KAACHI. (2020-2023)
Show more facts about her…

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made by irem

(Special thanks to: Loonathespam, Kaachi Verse)

Related: KAACHI Profile


Who is your ATTI bias? Do you know more facts about them? Feel free to comment below. 🙂