New Information On BIGHIT Music’s New Group CORTIS Sparks Major Disbelief
On August 7 (KST), BIGHIT Music announced the name and details of its new group CORTIS.
Although most of the members’ details were known, Weverse later confirmed the ages and birthdays of the group.
• MARTIN
(Leader of CORTIS, born on March 20th, 2008)
• JAMES
(Member of CORTIS, born on October 14th, 2005)
• JUHOON
(Member of CORTIS, born on January 3rd, 2008)
• SEONGHYEON
(Member of CORTIS, born on January 13th, 2009)
• KEONHO
(Member of CORTIS, born on February 14th,… pic.twitter.com/GUqW2Khugp— 星星 (@zhaoyufancokr) August 7, 2025
In particular, it was shared that member Martin would be the leader, despite being the middle member in terms of age and born in 2008.

Netizens shared their shock that someone so young was the leader of the group. However, it isn’t uncommon for HYBE to not have the oldest as the leader and choose someone younger, as they did with ENHYPEN and Jungwon. Some unsurprisingly also pointed out how crazy it is for someone from 2008 to be debuting, never mind being a leader, and the group also has two members born in 2009.
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CORTIS will debut on August 18.