CORTIS Members Profile & Facts

CORTIS (코르티스) is a global Kpop boy group under BIGHIT MUSIC. The members are Martin, James, Juhoon, Seonghyeon, and Keonho. They debuted on August 18, 2025 with the single, “What You Want.”

CORTIS Profile

CORTIS Facts:

– The group’s name, CORTIS, is a short form of the phrase “COLOR OUTSIDE THE LINES” which means that to think freely and not care about the world’s standards.
– The group was launched six years after the company’s previous boy group TXT.
– American singer-songwriter, Ryan Tedder is the producer for the group and he has worked with BLACKPINK, Taylor Swift, Demi Lavato, Beyoncé Knowles and more.
– All members are very athletic and active in sports except Martin. 

WEBSITE
Website: ibighit.com/CORTIS | cortis-official.jp

SOCIAL MEDIA HANDLES 
Instagram: @cortis
Threads: @cortis
X: @cortis_bighit | @cortis_jp
TikTok: @cortis_bighit
YouTube: CORTIS
Facebook: CORTIS
Weverse: CORTIS (코르티스)
LINE: CORTIS(JP)
Weibo: @CORTIS_BIGHIT
BiliBili: @CORTIS_BIGHIT
Douyin: @CORTIS_BIGHIT

Streaming Platform Links
Genie | Spotify | Bugs | Melon | Apple Music  

CORTIS Members Profile

1. Martin

Martin Facts:

– Martin is the tallest member in the group.
– He plays a main role in creating the group’s songs.
– He was born in Canada.
– He is Canadian from his father’s side and Korean from his mother’s side.
– His musical influences include Tyler, the Creator and Mac Miller.
– He has participated in producing songs for many artists including ENHYPEN’s “Outside”, Le Sserafim’s “Pierrot”, ILLIT’s “Magnetic”, and TXT’s “Beautiful Stranger”, “Deja Vu” and “Miracle”.
– His Chinese zodiac sign is Rat.
– He can play a synthesizer.
– He can’t play the keyboard or piano but knows a few chords.
– He helped create the choreography for their song “GO!”.
– He feels nervous during interviews but feels more free onstage.
– He is the fastest eater in the group.
– His favorite song from their debut EP is “What You Want.”
– He likes orange among all colors.
– Read more facts about Martin

2. James

James Facts:

– James is the oldest member in the group.
– He is a former member of Trainee A.
– He is considered a dance prodigy.
– He played ice hockey for 10 years at a semi-pro level.
– He has an introverted personality and doesn’t open up at the first meeting.
– He has a black belt in taekwondo.
– He has worked as a backup dancer for BTS’s Jungkook song “Seven ft. Latto” during an inkigayo.
– He has been a big fan of Micheal Jackson since childhood.
– He also participated in producing ILLIT’s “Magnetic” and TXT’s TXT’s “Deja Vu” and “Miracle”.
– His Chinese zodiac sign is Rooster.
– The thing he’ll miss the most about trainee life is sneaking out to internet cafes (PC bang) and playing video games.
– He is fluent in Korean, Chinese, Thai and English. He can also speak basic Japanese.
– He can also play the piano.
– He said life on a remote island would feel more like a holiday.
– He loves black among all colors.
– His favorite animals include red pandas.
– Read more facts about James

3. Juhoon

Juhoon Facts:

– Juhoon used to work as a child model.
– He appeared in many commercials and music videos.
– He studied at an international school where he improved his English.
– He is fluent in Korean and English.
– His favorite food include ramyeon.
– He was scouted in middle school when he was fully immersed in his studies.
– He loves cats among all animals.
– He admires Martin the most among all the members.
– He loved visiting the amusement park in the US.
– He often asks the members every day what they want to eat.
– He would choose Martin if he could switch places with any member for a day just to experience being his height.
– He eats the most in the group according to Martin.
– His Chinese zodiac sign is Pig.
– He became a trainee under BIGHIT Music in 2023.
– His favorite emoji is 🤘.
– Black is his favorite color.
– Read more facts about Juhoon

4. Seonghyeon

Seonghyeon Facts:

– Seonghyeon plays a main role in coming up with new ideas and writing lyrics.
– While training, he created around 100 songs.
– He doesn’t have any siblings.
– He became a trainee under BIGHIT Music in 2021.
– His hometown is Seo-gu, Daejeon, South Korea.
– He trained for 5 years, starting at age 13.
– His first impression is that he is soft-spoken.
– He enjoys watching movies and dramas, playing basketball, skateboarding, and cycling in his free time.
– He likes using the thumbs up (👍) emoji.
– Green is his favorite color.
– He didn’t listen to hip-hop or R&B at first, but now enjoys pop, hip-hop, and jazz as well.
– He likes both cats and dogs.
– He doesn’t like mint chocolate.
– His Chinese zodiac sign is Rat.
– Read more facts about Seonghyeon

5. Keonho

Keonho Facts:

– Keonho plays a big part in the creation of the group’s MV.
– His family consists of his parents and older sister.
– He became interested in video editing and production because he grew up watching many MVs and movies and got inspired by their production.
– He dropped out of middle school to focus on training.
– He has a pet dog named Cookie.
– He thinks the older members are strange, but in a fun way.
– He likes salted caramel ice cream the most.
– He prefers winter because he loves the holiday season.
– He said he is not good at drawing but can draw good enough to get his point across.
– His favorite food includes French fries.
– His favorite emoji is 🙃.
– He likes vintage-toned colors.
– His Chinese zodiac sign is Ox.
– Read more facts about Keonho

‘What You Want’ –  Conceptual Performance Film: