CORTIS

CORTIS (코르티스), formerly known as BIGHITNBG (BIGHIT New Boy Group), is a 5-member South Korean boy group under BIGHIT MUSIC. The members are Martin, James, Juhoon, Seonghyeon, and Keonho. In the USA, they’re represented by Republic Records. They debuted on August 18, 2025, with their first single, “What You Want”. Martin, Seonghyeon, & Keonho James & Juhoon

CORTIS members height, age

Click on a member's name to scroll to their profile

Member	Height	Age
Martin	193.4 cm	18 years
James	178 cm	21 years
Juhoon	176 cm	18 years
Seonghyeon	175 cm	17 years
Keonho	178 cm	17 years

Debut Date: August 18, 2025
Group Name Meaning: It's an acronym for COLOR OUTSIDE THE LINES. It signifies "thinking freely, breaking free from the world's established standards and rules."
Official Greeting: "Hello! We are CORTIS!"
Official Fandom Name: COER (코어)
Fandom Name Meaning: The name brings together "COR" (with CORTIS) & "~ER" (those who stand together), while also echoing "CORE" - the fans who support CORTIS with the deepest love and passion. The name symbolizes the core driving force behind CORTIS & those who will "color outside the lines" together with CORTIS.
Weverse: CORTIS (코르티스)
LINE: (Japan) CORTIS(JP)
BiliBili: @CORTIS_BIGHIT
Douyin: @CORTIS_BIGHIT

Official links

Group Stats

Average height: 180.1 cm
Tallest: 193.4 cm · Martin
Shortest: 175 cm · Seonghyeon
Average age: 18.2 years
Oldest: 21 years · James
Youngest: 17 years · Seonghyeon

Members

Martin

Stage Name: Martin (마틴)
Birth Name: Martin Edwards (마틴 에드워즈)
Korean Name: Park Woo-joo (박우주)
Position(s): Leader
Birthday: March 20, 2008
Age: 18 years
Zodiac Sign: Pisces
Chinese Zodiac Sign: Rat
Height: 193.4 cm (6'4″)
Blood Type: O
MBTI Type: INFP/ENFP
Nationality: Korean-Canadian
Representative Color: Red
Representative Emoji: 🐕 (Dog - Italian Greyhound)

Facts

Martin was born in Songpa-gu, Seoul, South Korea, and lived for a while in Ottawa, Canada.
His father is Canadian and his mother is Korean.
He has an older sister born in 2001. (CORTIS Documentary What We Want EP.01 / Weverse Live 251227)
He studied at Seoul Joongdae Elementary School and Karak Middle School.
Martin joined BIGHIT Music in 2019-2020.
He was part of the children’s choir at the 2018 PyeongChang Winter Olympics.
Seonghyeon mentioned Martin is the loudest member.
Among the members, Martin eats the fastest.
His favorite song from their EP COLOR OUTSIDE THE LINES is “What You Want.”
Martin contributed to all five songs on the EP COLOR OUTSIDE THE LINES.
He helped choreograph their song “GO!”
He has produced for TXT (“Deja Vu,” “Miracle”), ILLIT (“Magnetic”), LE SSERAFIM (“Pierrot”), and ENHYPEN (“Outside”).
His favorite emoji is 🐟.
His favorite color is orange.
His favorite animals are dogs.

James

Stage Name: James (제임스)
Birth Name: Chao Yufan (趙雨凡)
English Name: James Chao
Korean Name: Jo Woo-beom (조우범)
Thai Name: James Jinjantarawong (จมส์ จินจันทราวงศ์)
Position(s): N/A
Birthday: October 14, 2005
Age: 21 years
Zodiac Sign: Libra
Chinese Zodiac Sign: Rooster
Height: 178 cm (5'10″)
Blood Type: A
MBTI Type: INTP (previously ISTJ)
Nationality: Thai-Taiwanese
Representative Color: Green
Representative Emoji: 🦅 (Eagle)

Facts

He was born in Hong Kong.
James is of mixed Thai (maternal) and Chinese (paternal) descent.
He was a member of the trainee group Trainee A.
He speaks Thai, Chinese, Korean, English, and Japanese.
His favorite animals are cats and dogs.
His favorite foods include crème brûlée, ramen snacks, chocolate, milk, rice cake soup, chicken, pork belly, grilled short rib patties, bubble tea, Sun Chips, and sweet red bean buns.
James said he would take Juhoon to a remote island because Juhoon would stay calm.
He said a remote island would feel like a vacation.
When bored, James and the members usually lie down and enjoy the silence.
He contributed to three songs on the EP COLOR OUTSIDE THE LINES: “GO!”, “JoyRide,” and “Lullaby.”
He helped choreograph their song “GO!”
He produced for TXT (“Deja Vu,” “Miracle”) and ILLIT (“Magnetic”).
His favorite emoji is 😛.
His favorite color is pink.
His favorite animal is the red panda.

Juhoon

Stage Name: Juhoon (주훈)
Birth Name: Kim Ju-hoon (김주훈)
Position(s): N/A
Birthday: January 3, 2008
Age: 18 years
Zodiac Sign: Capricorn
Chinese Zodiac Sign: Pig
Height: 176 cm (5'9.5″)
Blood Type: O
MBTI Type: ISFP
Nationality: Korean
Representative Color: Blue
Representative Emoji: 🐢 (Turtle)

Facts

He was born in Seoul, South Korea.
He studied at Sangmyung University Teacher’s College Experimental Elementary School and Young Hoon International Middle School.
As a child, Juhoon worked as a model.
He speaks Korean and English.
He played basketball on a youth team.
He joined BIGHIT Music as a trainee in 2023-2024.
His favorite food is ramen.
If he could be another member for a day, Juhoon would choose Martin to experience his height.
He has a habit of asking members what they want to eat every day.
According to Martin, Juhoon eats the most.
He contributed to four songs on the EP COLOR OUTSIDE THE LINES: “GO!”, “What You Want,” “FaSHioN,” and “JoyRide.”
He helped choreograph their song “GO!”
His favorite emoji is 🤘.
His favorite colors are black and white.
His favorite animals are cats.

Seonghyeon

Stage Name: Seonghyeon (성현)
Birth Name: Eom Seong-hyeon (엄성현)
English Name: Sean Eom
Position(s): N/A
Birthday: January 13, 2009
Age: 17 years
Zodiac Sign: Capricorn
Chinese Zodiac Sign: Rat
Height: 175 cm (5'9″)
Blood Type: A
MBTI Type: INTP
Nationality: Korean
Representative Color: Black
Representative Emoji: 🦊 (Fox)

Facts

Seonghyeon was born in Seo-gu, Daejeon, South Korea.
He has a younger sister born in 2012.
He studied at Daejeon Gwanjeo Elementary School, transferred to Seoul Samjeon Elementary School, and later dropped out of BaeMyeong Middle School.
His least favorite flavor is mint chocolate.
He joined BIGHIT Music in 2021.
He has trained for about five years, starting at age 13 (Korean age).
His hobbies include watching movies and dramas, playing basketball, skateboarding, and cycling.
He contributed to all five songs on the EP COLOR OUTSIDE THE LINES.
He helped choreograph their song “GO!”
He has around 100 tracks he created during his trainee years.
His favorite emoji is 👍.
His favorite colors are green and gray.
His favorite animals are cats and dogs.
He didn’t listen to hip-hop or R&B at first, but now enjoys pop, hip-hop, and jazz.
He likes eating acai bowls.

Keonho

Stage Name: Keonho (건호)
Birth Name: An Keon-ho (안건호)
Position(s): Maknae
Birthday: February 14, 2009
Age: 17 years
Zodiac Sign: Aquarius
Chinese Zodiac Sign: Ox
Height: 178 cm (5'10″)
Blood Type: O
MBTI Type: INTP
Nationality: Korean
Representative Color: Yellow
Representative Emoji: 🐶 (Puppy)

Facts

He was born in Pajang-dong, Jangan-gu, Suwon, Gyeonggi-do, South Korea.
Keonho has an older sister born in 2005.
He has a Chihuahua named Cookie.
He studied at Pajang Elementary School, transferred to Yeoul Elementary School, and attended Chonggye Middle School before dropping out.
He joined BIGHIT Music in 2021.
He was ranked top in swimming and continued until 6th grade.
He finds the older members weird, but in a good way.
His favorite ice cream flavor is salted caramel.
He prefers winter because he loves the holidays.
He still enjoys French fries.
He contributed to four songs on the EP COLOR OUTSIDE THE LINES: “GO!”, “What You Want,” “FaSHioN,” and “JoyRide.”
He helped choreograph their song “GO!”
His favorite emoji is 🙃.
His favorite colors are vintage tones, pink, and green.
His favorite animals are dogs.