
Hot 2020 Rookie Boy Band TOO
Ten Oriented Orchestra, known as TOO, is a boy group that debuted on April 1st, 2020, from n.CH Entertainment and Stone Music Entertainment formed through the Mnet survival show WORLD KLASS. The group consists of 10 male members; there are Chi-hoon, Dong-gon, Chan, Ji-su, Min-su, Jae-yun, J.You, Kyung-ho, Jerome, and Wong-gi. Although the group is still rookie in 2020, their strong performance secured them a spot among the hot debuts this year. Let’s get to know the members of the hot rookie boy band this year, TOO.
Chi-hoon’s Profile

Real Name: Choi Chi-hoon
Stage Name: Chi-hoon
Date of Birth: April 27th, 1999
Origin: South Korea
Zodiac: Taurus
Height: 173 cm
Weight: –
Blood Type: A
Specialty: Rapping, Vocals, Producing
Position in TOO: Rapper, Vocalist, and Producer
Motto: “Focusing on the past will disrupt the future, but focusing on the present will complete the future.”
Facts
- His element is wood.
- In the Mnet survival show WORLD KLASS he ranked 7th.
- He and Chan are members of a production group called CUROHAKO.
- His representative animal is a Chick.
- He is a left-handed person.
- His roommates are Dong-geon, Jerome, and Jae-yun.
- He has a personal SoundCloud account, 치훈(Ian).
Dong-gon’s Profile

Real Name: Song Dong-geon
Stage Name: Dong-geon
Date of Birth: July 15th, 1999
Origin: South Korea
Zodiac: Cancer
Height: 180 cm
Weight: –
Blood Type: B
Specialty: Singing and Acting
Position in TOO: Vocalist
Motto: “Pride spoils everything.”
Facts
- His element is the earth.
- In the Mnet survival show WORLD KLASS he ranked 5th.
- He is a former C9 Entertainment trainee.
- Among the TOO members, he is the most sporty member who only does push-ups.
- He likes to listen to Taeyeon’s song “If.”
- His representative animal is a Lion Cub.
- His roommates are Jae-yun, Jerome, and Chi-hoon.
Chan’s Profile

Real Name: Cho Chan-hyuk
Stage Name: Chan
Nickname: Idea Bank
Date of Birth: December 8th, 1999
Origin: South Korea
Zodiac: Sagittarius
Height: 180 cm
Weight: –
Blood Type: O
Specialty: Rapping, Dancing, Producing, Speaking basic Thai
Position in TOO: Dancer, Rapper, Producer
Motto: “Let’s move smartly.”
Facts
- His element is fire.
- In the Mnet survival show WORLD KLASS he ranked 5th.
- He is a former SM Entertainment trainee.
- He dropped out of high school.
- He has an older sister.
- He is a left-handed person.
- He has one tattoo on the back and one on his hand.
- He does not like white lights.
- He was called Idea Bank because during the group’s appearance in the Mnet show Road to Kingdom he was able to come up with spectacular ideas on the spot.
- He and Chi-hoon are members of a production group called CUROHAKO.
- His roommates are Min-su, Kyung-ho, Ji-su, J.You, and Woong-gi.
- He has a personal SoundCloud account, CHAN.
Ji-su’s Profile

Real Name: Choi Ji-su
Stage Name: Ji-su
Date of Birth: January 19th, 2000
Origin: Busan, South Korea
Zodiac: Capricorn
Height: 179 cm
Weight: –
Blood Type: B
Specialty: Dancing and Singing
Position in TOO: Dancer, Vocalist
Motto: “Let’s work harder today rather than tomorrow.”
Facts
- His element is water.
- In the Mnet survival show WORLD KLASS he ranked 9th.
- He is a left-handed person.
- He has an older brother.
- His representative animal is a Jindo Dog.
- He was part of the dance team H.O.
- He and ITZY Lia share the same birth name.
- His roommates are Min-su, Kyung-ho, Chan, J.You, and Woong-gi.
Min-su’s Profile

Real Name: Kim Min-su
Stage Name: Min-su
Date of Birth: Match 20th, 2000
Origin: South Korea
Zodiac: Pisces
Height: 171 cm
Weight: –
Blood Type: B
Specialty: Singing, Dancing, Speaking Japanese
Position in TOO: Dancer, Vocalist
Motto: “There is no end.”
Facts
- His element is the earth.
- In the Mnet survival show WORLD KLASS he ranked 6th.
- He got picked by THE BOYZ’s Ju Hak-nyeon during his appearance in the Mnet survival show WORLD KLASS.
- He is a left-handed person.
- He has an older brother.
- He does not like cucumbers.
- He and Stray Kids’ Hyun-jin were born on the same day.
- His roommates are Ji-su, Kyung-ho, Chan, J.You, and Woong-gi.
Jae-yun’s Profile

Real Name: Lee Jae-yun
Stage Name: Jae-yun
English Name: Harry
Date of Birth: August 16th, 2000
Origin: South Korea
Zodiac: Leo
Height: 175 cm
Weight: –
Blood Type: B
Specialty: Fluent in English and Exceptional Singing
Favorite artists: Justin Bieber, Bazzi, and Gallant
Position in TOO: Leader, Main Vocalist
Motto: “Effort won’t betray me unless I betray it first!”
Facts
- His element is metal.
- In the Mnet survival show WORLD KLASS he ranked 10th.
- He is fluent in English.
- He studied in Myanmar for a while and at an international school for 9 years.
- He learned jujitsu for 3 years.
- He and TXT’s Beom-gyu were part of a school band.
- He admires BTS’ Jung-kook.
- He replaced the former member Han-jun, who left the group due to past issues.
- His representative animal is a Hamster.
- His roommates are Dong-geon, Jerome, and Chi-hoon.
J.You’s Profile

Real Name: Kim Je-you
Stage Name: J.You
Nickname: J.Dangsin (Dangsin means you in Korean), Jeyuk Bokkeum (stir-fried pork), and Welsh Corgi.
Date of Birth: November 2nd, 2000
Origin: South Korea
Zodiac: Scorpio
Height: 173 cm
Weight: –
Blood Type: B
Specialty: Rapping, Speaking English
Favorite artists: TVXQ’s Yun-ho and NCT’s Tae-yong
Position in TOO: Rapper and Visual
Motto: “I’m a legend.”
Facts
- His element is wood.
- In the Mnet survival show WORLD KLASS he ranked 1st.
- He got dropped out of high school.
- He has an older sister.
- His roommates are Ji-su, Kyung-ho, Chan, Min-su, and Woong-gi.
Kyung-ho’s Profile

Real Name: Jang Kyung-ho
Stage Name: Kyung-ho
Nickname: Boss Baby
Date of Birth: May 7th, 2001
Origin: South Korea
Zodiac: Taurus
Height: 183 cm
Weight: –
Blood Type: A
Education: Hanlim Multi Arts High School
Specialty: Dancing, Singing
Position in TOO: Dancer, Vocalist
Motto: “The more you do something, the bigger it will get, so it’s a worry.”
Facts
- His element is fire.
- In the Mnet survival show WORLD KLASS he ranked 4th.
- His representative animal is a Golden Retriever.
- He was part of Def Dance Company.
- His roommates are Min-su, Ji-su, Chan, J.You, and Woong-gi.
Jerome’s Profile

Real Name: Oh Sung-min
Stage Name: Jerome
Nicknames: Tom&Jerome, Jerome Doongi, Jerome-Party
Date of Birth: August 25th, 2001
Origin: South Korea
Zodiac: Virgo
Height: 180 cm
Weight: –
Blood Type: O
Specialty: Dancing, Singing
Role Model: BTS’ V
Motto: “Let’s be a frog out of the well.”
Facts
- His element is metal.
- In the Mnet survival show WORLD KLASS he ranked 8th.
- He is a former CUBE Entertainment trainee.
- He has a younger brother who is only one year younger.
- He and former member Han-jun share the same birth date.
- He likes BTS’ V since his 3rd year of middle school because BTS’ V has great facial expressions, is handsome and has a lot of talent.
- His roommates are Jae-yun, Dong-geon, and Chi-hoon.
Wong-gi’s Profile

Real Name: Cha Woong-gi
Stage Name: Woong-gi
Date of Birth: April 23rd, 2002
Origin: South Korea
Zodiac: Taurus
Height: 172 cm
Weight: –
Blood Type: B
Specialty: Singing, Acting, Girl Group Dance
Position in TOO: Vocalist, Maknae
Motto: “Everything will come true Atllissai (taken from Son Dam-bi’s song Queen).”
Facts
- His element is water.
- In the Mnet survival show WORLD KLASS he ranked 3rd.
- He has an older brother, named Cha Jae-hoon, who is popular as an ulzzang.
- Under the name Cha Jae-dol, he was a famous child actor who appeared in many dramas, movies, musicals, and CFs.
- He is close to X1’s Hang-yul, Hyeong-jun, and Dong-pyo.
- He is very enthusiastic and energetic when it comes to dancing.
- His roommates are Min-su, Ji-su, Chan, J.You, and Kyung-ho.