
Let’s Learn More About Speed Members’ Profiles
Making their debut as the male sub-group of Co-Ed School, Speed was a seven-member boy group under the management of MBK Entertainment, active between 2012 and 2016. The group once consisted of Yuhwan, Taeha, Jongkook, Sejun, KI-O, and Sungmin, as well as the former members who had left way before the group’s disbandment, namely Kwanghaeng, Taewoon, and Noori. Although the group is no longer active in the Korean music industry, some of the members of Speed still pursue a career in the entertainment industry.
In this article, Channel-Korea will present you with everything about the profiles od Speed members and their fun facts. So, keep reading!
Speed’s Yuhwan Full Profile

Stage Name: Yuhwan
Birth Name: Kim Yu-hwan
Nickname: Sexy Kim, Neighborhood babo hyung (dumb older brother), Toast Addict
Place and Date of Birth: Gwangju, South Korea, July 29th, 1991
Position: Leader, Vocalist, Rapper, Lead Dancer
Sub-unit: N/A
Nationality: South Korean
Zodiac Sign: Leo
Chinese Astrology: Goat
Blood Type: A
Height: 180 cm
Weight: 64 kg
Siblings: a younger brother named Kim Yoo-jin
Education: Songwon University, with a major in Department of Entertainment
Twitter: @SUPREME_072
Instagram: @realkimyuhwan
Fun Facts About Speed’s Yuhwan You Simply Have To Know
- Yuhwan took Taewoon’s spot as the leader of Speed when he left.
- Yuhwan auditioned to be part of BIGSTAR. However, he left due to personal reasons.
- Yuhwan’s specialty is B-Boying and acrobatics.
- Yuhwan’s hobby is watching videos related to dancing.
- Yuhwan appeared in the documentary called B-Boy Is My Dream.
- Yuhwan’s ideal type is someone who looks pretty when smiling.
Speed’s Jungwoo Full Profile

Stage Name: Jungwoo (used to be Yoosung)
Birth Name: Kim Jung-woo
Nickname: Sky Earth Yoosung
Place and Date of Birth: Daegu, South Korea, May 9th, 1990
Position: Main Vocalist
Sub-unit: N/A
Nationality: South Korean
Zodiac Sign: Taurus
Chinese Astrology: Horse
Blood Type: A
Height: 181 cm
Weight: 63 kg
Siblings: an older brother
Education: Bucheon University, with a major in Department of Advertisement Design
Twitter: @yoosung90
Fun Facts About Speed’s Jungwoo You Have To Know
- Jungwoo was part of the original Co-Ed School male line-up.
- Jungwoo was a former FNC Entertainment trainee (2009 – 2010).
- Jungwoo’s specialties are soccer, biking, push-ups.
- Jungwoo’s hobbies are exercising, playing the guitar, playing video games, shopping, and watching TV.
- Jungwoo looks up to multi-talented celebrity Lee Seung-gi as his role model.
- Jungwoo’s ideal type is someone who is kind, cute and pleasantly plain or simple.
Speed’s Taeha Full Profile

Stage Name: Taeha
Birth Name: Oh Sung-jong
Nickname: Oh Jjing Jjing
Place and Date of Birth: Seoul, South Korea, March 4th, 1992
Position: Lead Vocalist
Sub-unit: N/A
Nationality: South Korean
Zodiac Sign: Pisces
Chinese Astrology: Monkey
Blood Type: A
Height: 176 cm
Weight: 57 kg
Twitter: @ _IONE
Instagram: @_ione_
Fun Facts About Speed’s Taeha You Have To Know
- Taeha was a trainee of Nega Network and DSP Entertainment.
- Taeha was a part of the original line-up for A-JAX. However, he dropped out.
- Taeha is a huge fan of Iron Man.
- Taeha is in charge of aegyo (cuteness) in the group.
- Taeha’s hobbies are watching movies, walking, and dancing.
- Taeha has a huge interest in the latest electronic products.
- Taeha looks up to Big Bang’s main vocalist Taeyang as his role model.
- Taeha is a soloist under the name IONE.
- Taeha’s ideal type is someone who is cute, has a nice personality, and is shorter than him.
Speed’s Jongkook Full Profile

Stage Name: Jongkook
Birth Name: Shin Jong-kook
Nickname: Shin Chicken
Place and Date of Birth: Daejeon, South Korea, September 8th, 1993
Position: Lead Vocalist
Sub-unit: N/A
Nationality: South Korean
Zodiac Sign: Virgo
Chinese Astrology: Rooster
Blood Type: A
Height: 180 cm
Weight: 65 kg
Siblings: a younger sister named Shin Myung-sook
Instagram: @jongkookshin
Fun Facts About Speed’s JongkookYou Have To Know
- Jongkook was a finalist on Superstar K3.
- Jongkook is a huge fan of football and FC Seoul. He enjoys collecting football shirts and plays football.
- Jongkook has great facial expressions and is in charge of the memes in the group.
- Jongkook’s ideal type is Apink’s main vocalist Jung Eunji.
Speed’s Sejun Full Profile

Stage Name: Sejun
Birth Name: Park Se-jun
Nickname: Park Chicken, Caterpillar Eyebrows
Place and Date of Birth: Seoul, South Korea, December 10th, 1993
Position: Vocalist
Sub-unit: Kidz
Nationality: South Korean
Zodiac Sign: Sagittarius
Chinese Astrology: Rooster
Blood Type: AB
Height: 180 cm
Weight: 67 kg
Siblings: a brother named Park Hyung-jun
Fun Facts About Speed’s Sejun You Have To Know
- Sejun was praised by Kim Kwang-soo (CEO of MBK Entertainment) as the next Song Seung-hoon.
- Sejun’s hobbies are biking and swimming.
- Sejun once stated that he actually wanted to become an actor.
- Sejun acted in Iris 2 (2013), and Potato Star 2013QR3 (2013).
- Sejun looks up to multitalented celebrity Yang Dong-geun as his role model.
- Sejun’s ideal type is f(x) youngest member Krystal Jung.
Speed’s KI-O Full Profile

Stage Name: KI-O
Birth Name: Oh Seung-ri
Date of Birth: May 14th, 1994
Position: Vocalist
Sub-unit: N/A
Nationality: Korean
Zodiac Sign: Taurus
Chinese Astrology: Dog
Blood Type: B
Height: 176 cm
Weight: 60 kg
Siblings: an older sister
Fun Facts About Speed’s KI-O You Have To Know
- KI-O joined Speed in May 2015.
- KI-O participated in “Don’t Forget Me,” a project single with fellow Speed members Jongkook and Sejoon.
- KI-O was featured in live performances of Elsie’s “I’m Good.”
Speed’s Sungmin Full Profile

Stage Name: Sungmin
Birth Name: Choi Sung-min
Place and Date of Birth: Gwangju, South Korea, December 7th, 1995
Position: Main Dancer, Lead Vocalist, Lead Rapper, Maknae
Sub-unit: N/A
Nationality: South Korean
Zodiac Sign: Sagittarius
Chinese Astrology: Pig
Blood Type: B
Height: 178 cm
Weight: 56 kg
Siblings: a younger sister named Choi Yena (IZ*ONE member)
Education: Anyang Arts High School
Twitter: @Speed_sm
Instagram: @from_mean
Fun Facts About Speed’s Sungmin You Have To Know
- Sungmin was part of the original Co-Ed School male line-up.
- Sungmin’s hobbies are playing the drums and listening to music.
- Sungmin does not like to eat vegetables.
- Sungmin’s specialty is popping.
- Sungmin has appeared as an actor in This Kind of Relationship (2013) and A Cat! Meow (2014).
- Sungmin’s role model is his father.
- Sungmin’s mother did not want his sister Yena to become an idol because he did not do well.
- Sungmin’s ideal type is Scarlett Johansson.
Speed’s Kwanghaeng Full Profile

Stage Name: Kwanghaeng
Birth Name: Lee Kwang-haeng
Place and Date of Birth: Seoul, South Korea, January 20th, 1990
Position: Leader, Lead Vocalist, Rapper
Sub-unit: N/A
Nationality: South Korean
Zodiac Sign: Aquarius
Chinese Astrology: Snake
Blood Type: N/A
Height: 186 cm
Weight: 70 kg
Education: Baekseok Arts University
Twitter: @ccmkwang
Fun Facts About Speed’s Kwanghaeng You Have To Know
- Kwanghaeng was part of the original Co-Ed School male line-up.
- Kwanghaeng’s hobbies are movie appreciation, impersonations, exercising, and reading.
- Kwanghaeng’s specialties are basketball and English.
- Kwanghaeng left Speed in September of 2012.
Speed’s Taewoon Full Profile

Stage Name: Taewoon
Birth Name: Woo Ji-seok
Place and Date of Birth: Mapo-gu, Seoul, South Korea, May 11th, 1990
Position: Main Rapper, Vocalist, Leader
Sub-unit: N/A
Nationality: South Korean
Zodiac Sign: Taurus
Chinese Astrology: Horse
Blood Type: B
Height: 184 cm
Weight: 70 kg
Siblings: a little brother named Woo Ji-ho, otherwise known as Block B’s Zico
Education: Tokyo Polytechnic University
Twitter: @bkgo123
Instagram: @bkgo123
Fun Facts About Speed’s Taewoon You Have To Know
- Taewoon was part of the original Co-Ed School male line-up.
- Taewoon’s hobbies are composing songs, playing basketball, and watching movies.
- Taewoon’s specialties are painting, writing lyrics, and Japanese.
- Taewoon left Speed in January 2015.
- Taewoon is now a solo artist under the name Wuno.
Speed’s Noori Full Profile

Stage Name: Noori
Birth Name: Kang In-oh
Place and Date of Birth: Seoul, South Korea, March 3rd, 1993
Position: Rapper, Vocalist
Sub-unit: N/A
Nationality: South Korean
Zodiac Sign: Scorpio
Chinese Astrology: Horse
Blood Type: N/A
Height: 184 cm
Weight: 70 kg
Education: Hyundai High School
Fun Facts About Speed’s Noori You Have To Know
- Noori was part of the original Co-Ed School male line-up.
- Noori’s specialties are boxing, basketball, soccer, and computers.
- Noori’s hobbies are music appreciation and movie appreciation.
- Noori left Speed in September 2012.