Chihoon (TO1 Member) Age, Bio, Wiki, Facts & More


Chihoon (치훈) is a member of the boy group named TO1 (TOgether as 1) (티오원), formerly known as TOO (Ten Oriented Orchestra) (티오오) created from the survival show World Klass. This group consists of 10 male members: Jaeyun, ChihoonDonggeonChan, JisuMinsu, J.You, Kyungho, Jerome, and Woonggi. They debuted on April 1st, 2020 with the 1st mini-album ‘REASON FOR BEING: 仁 (Benevolence)‘. The group is under n.CH Entertainment and Stone Music Entertainment. On March 28, 2021, they announced they changed their name to TO1, at KCON: TACT 3.

His stage name is Chihoon (치훈). His birth name is Choi Chi Hoon (최치훈). He was born on April 27th, 1999. His age is 22 years old as of 2021. He is Korean by Nationality. His Zodiac sign is Taurus.

He is the Rapper, Vocalist, Producer of the Group.

Check out and follow Chihoon’s Social Media accounts :

Instagram: N/A

Twitter: N/A

Youtube: N/A

Facebook: N/A

SoundCloud: 치훈(Ian)

Early Life :

He was born in South Korea.

Physical Appearance:


He is young, smart, and handsome. He is popular among youths. His looks make him look younger than his actual age. He has black eyes and brown hair. 

His height is 175 cm (5’9″) and his weight is 53 kg (117 lbs). His blood group is A.

Family, Religion & Girlfriends:

He has no siblings.

Not much known about her family and her personal Relationship.


  • He speaks English and Korean.
  • His element is Wood.
  • In TO1 he is closest to Chan.
  • He can play the piano.
  • He ranked 7th place in  WORLD KLASS.
  • He is the eldest member of the group.
  • His specialties are Rapping, Vocals, and Producing.
  • He is TO1’s self-proclaimed ‘Sexy Guy’.
  • He likes watching movie review videos.
  • He used to be roommates with JaeyunDonggeonJerome.
  • He shared a room with DonggeonJerome, and Minsu.
  • He auditioned for “Show Me The Money 9”.
  • His motto is Focusing on the past will disrupt the future, but focusing on the present will complete the future”.

Check out TO1’s Social Media Accounts below:


Twitter: @to1_offcl / @to1_members

Instagram: @to1_offcl / @toomembers

Facebook: TO1offcl

Youtube: TO1 official

Fan Cafe: TO1

V Live: TO1

TikTok: @to1_offcl

TO1 Fandom Name: TOGETHER, formerly TOOGETHER

TO1 Official Colors: Egyptian Blue, White, American Yellow, Persian Red, Black

TO1 Current Dorm Arrangement (March 2021 Jaeyun and Minsu vLive):

  • Jisu and Manager
  • Minsu, Donggeon and Chan
  • Chihoon and
  • Kyungho, Jaeyun, Jerome and Woonggi

Latest Korean comeback:

Add Comment