CORTIS Members Profile and Facts
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.
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!”
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.
CORTIS Official Color: N/A
CORTIS Official Logo:
Official SNS:
Website: ibighit.com/CORTIS / (Japan) cortis-official.jp
Instagram: @cortis
Threads: @cortis
X: @cortis_bighit / (Japan) @cortis_jp
TikTok: @cortis_bighit
YouTube: CORTIS
Facebook: CORTIS
Weverse: CORTIS (코르티스)
LINE: (Japan) CORTIS(JP)
Weibo: @CORTIS_BIGHIT
BiliBili: @CORTIS_BIGHIT
Douyin: @CORTIS_BIGHIT
CORTIS Member Profiles:
Martin
Stage Name: Martin (마틴)
Birth Name: Martin Edwards (에드워드 마틴)
Korean Name: Park Woo-joo (박우주)
Position(s): Leader
Birthday: March 20, 2008
Zodiac Sign: Pisces
Chinese Zodiac Sign: Rat
Height: 190.5 cm (6’3″)
Weight: N/A
Blood Type: O
MBTI Type: INFP/ENFP
Nationality: Canadian-Korean
Representative Color: Red
Representative Emoji: 🐕 (Dog – Italian Greyhound)
Martin Facts:
– Martin was born in Canada.
– His dad is Canadian and his mom is Korean.
– Martin has an older sister. (CORTIS Documentary ‘What We Want’ EP. 01)
– He studied at Seoul Joongdae Elementary School.
– Martin joined BIGHIT Music in 2019-2020.
– He was part of the children’s choir at the 2018 PyeongChang Winter Olympics.
– Seonghyeon mentioned that Martin is the loudest.
– Amongst the members, Martin eats the fastest.
– His favorite song from their EP album COLOR OUTSIDE THE LINES is “What You Want”.
– Martin helped with all the five songs on the group’s EP album COLOR OUTSIDE THE LINES.
– He participated in the choreography for their song “GO!”.
– He has produced for TXT (“Deja vu” & “Miracle” from minisode 3: TOMORROW, “Beautiful Stranger” from The Star Chapter: TOGETHER), ILLIT (“Magnetic” from SUPER REAL ME), LE SSERAFIM (“Pierrot” from CRAZY), and ENHYPEN (“Outside” from DESIRE : UNLEASH).
– His favorite emoji is 🐟.
– Martin’s favorite color is orange.
– His favorite animals are dogs.
See more facts about Martin…
James
Stage Name: James (제임스)
Birth Name: Zhao Yufan (趙雨凡)
Korean Name: Woobeom
Position(s): N/A
Birthday: October 14, 2005
Zodiac Sign: Libra
Chinese Zodiac Sign: Rooster
Height: N/A
Weight: N/A
Blood Type: A
MBTI Type: INTP (previously ISTJ)
Nationality: Thai-Chinese (Hong Kongese)
Representative Color: Green
Representative Emoji: 🦅 (Eagle)
James Facts:
– He was born in Hong Kong, but he grew up in Taiwan.
– James is of mixed Thai (maternal) and Chinese (paternal) descent.
– He is a former member of the trainee group Trainee A.
– The languages James speaks are Thai, Chinese, Korean, English, and Japanese.
– James’ favorite animals are cats and dogs.
– His comfort food is chocolate milk.
– James picks Juhoon to take with him to a remote island as Juhoon would be the calmest and wouldn’t be stressed.
– He also stated that a remote island would be like a vacation.
– James and the members usually just lay down and embrace the silence when they’re bored.
– He helped with three songs on the group’s EP album COLOR OUTSIDE THE LINES; “GO!”, “JoyRide”, and “Lullaby”.
– He participated in the choreography for their song “GO!”.
– James produced for TXT (“Deja vu” & “Miracle” from minisode 3: TOMORROW) and ILLIT (“Magnetic” from SUPER REAL ME).
– His favorite emoji is 😛.
– James’ favorite color is black.
– His favorite animals are red pandas.
See more facts about James…
Juhoon
Stage Name: Juhoon (주훈)
Birth Name: Kim Ju-hoon (김주훈)
Position(s): N/A
Birthday: January 3, 2008
Zodiac Sign: Capricorn
Chinese Zodiac Sign: Pig
Height: 175-176 cm (5’9”
Weight: N/A
Blood Type: O
MBTI Type: ISFP
Nationality: Korean
Representative Color: Blue
Representative Emoji: 🐢 (Turtle)
Juhoon 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.
– When Juhoon was younger, he was a child model.
– He can speak Korean and English.
– Juhoon played basketball in a youth team.
– He joined BIGHIT Music in 2023-2024 as a trainee.
– Juhoon’s favorite food is ramyeon.
– If Juhoon could be any member for a day, he picks Martin, because Juhoon would like to be Martin’s height.
– He has a habit of asking the members what they would like to eat every day.
– According to Martin, Juhoon eats the most.
– Juhoon helped with four songs on the group’s EP album COLOR OUTSIDE THE LINES; “GO!”, “What You Want”, “FaSHioN”, and “JoyRide”.
– He participated in the choreography for their song “GO!”.
– His favorite emoji is 🤘.
– Juhoon’s favorite color is black.
– His favorite animals are cats.
See more facts about Juhoon…
Seonghyeon
Stage Name: Seonghyeon (성현)
Birth Name: Eom Sung-hyun (엄성현)
English Name: Sean Eom
Position(s): N/A
Birthday: January 13, 2009
Zodiac Sign: Capricorn
Chinese Zodiac Sign: Rat
Height: 180 cm (5’10”)
Weight: N/A
Blood Type: A
MBTI Type: INTP
Nationality: Korean
Representative Color: Black
Representative Emoji: 🦊 (Fox)
Seonghyeon Facts:
– Seonghyeon was born in Seo-gu, Daejeon, South Korea.
– He has a younger sister.
– He studied at Daejeon Gwanjeo Elementary School.
– His least favorite flavor is mint chocolate.
– He joined BIGHIT Music in 2021.
– Seonghyeon’s training period is roughly 5 years. He started training when he was 13 (Korean age).
– His hobbies are watching movies and dramas, playing basketball, skateboarding, and cycling.
– Seonghyeon helped with all the five songs on the group’s EP album COLOR OUTSIDE THE LINES.
– He participated in the choreography for their song “GO!”.
– He has around a hundred tracks which he made when he was a trainee.
– His favorite emoji is 👍.
– Seonghyeon’s favorite color is green.
– His favorite animals are cats and dogs.
– Seonghyeon at first didn’t listen to hip-hop or R&B, but now he also listens to pop, hip-hop, and jazz.
– He likes to eat acai bowls.
See more facts about Seonghyeon…
Keonho
Stage Name: Keonho (건호)
Birth Name: Ahn Geon-ho (안건호)
Position(s): Maknae
Birthday: February 14, 2009
Zodiac Sign: Aquarius
Chinese Zodiac Sign: Ox
Height: 178 cm (5’8”)
Weight: N/A
Blood Type: O
MBTI Type: INTP
Nationality: Korean
Representative Color: Yellow
Representative Emoji: 🐶 (Puppy)
Keonho Facts:
– He was born in Pajang-dong, Jangan-gu, Suwon, Gyeonggi-do, South Korea.
– Keonho has an older sister.
– Keonho has a dog named Cookie.
– He studied at Pajang Elementary School then he transferred to Yeoul Elementary School, and Chonggye Middle School, but dropped out.
– Keonho joined BIGHIT Music in 2021.
– He held the top rank in swimming and continued swimming until the 6th grade.
– He finds the older members weird, but in a good way.
– His favorite ice cream flavor is salted caramel.
– Keonho prefers the winter season as he loves the holidays.
– He still likes French fries.
– Keonho helped with four songs on the group’s EP album COLOR OUTSIDE THE LINES; “GO!”, “What You Want”, “FaSHioN”, and “JoyRide”.
– He participated in the choreography for their song “GO!”.
– His favorite emoji is 🙃.
– Keonho’s favorite colors are vintage toned colors.
– His favorite animals are dogs.
See more facts about Keonho…
Note 1: Please don’t copy-paste the content of this page to other sites/places on the web. Please do respect the time and effort the author put in compiling this profile. If you need/want to use info from our profile, please kindly put a link to this post. Thanks a lot! 🙂 – KProfiles.com
Note 2: Source for positions: Source for Martin’s (leader) position, it was only speculation as his name was written first. However his leader position was later officially confirmed on Weverse.
Note 3: Source for the members’ representative colors.
For reference on MBTI types:
E = Extroverted, I = Introverted
N = Intuitive, S = Observant
T = Thinking, F = Feeling
P = Perceiving, J = Judging
Note 4: Source for MBTI types: Juhoon’s was confirmed on August 10, 2025. Melon Hi-Rising on August 18, 2025.
Note 5: Source for heights: Martin’s height was confirmed in Weverse on August 23, 2025. Juhoon’s height was confirmed at a fansign. Seonghyeon & Keonho’s heights were confirmed during a fansign. Keonho’s height was confirmed during a fansign.
Made by: 1707_wavves
(Special thanks to: @coupspangpang, @zhaoyufancokr, @bighitnbgpics, Namu, Taleen Musa, Find your idnttS, aerinyuki, @cortismedia, gg, Rolling Stones, Melon, @cortisarchivee, Rosy, @M4DRA20, ST1CKYQUI3TT, Kaya K., Bintang K, Martin’s gf, T O M I 🐯, Ines, zont, cherry)
Related:
CORTIS Discography
Poll: Which CORTIS Friendship Is Your Favorite?
Latest Official Release:
Do you like CORTIS? Do you know more facts about them? Feel free to comment below. 🙂
