Stage Name: Martin Nationality: Korean-Canadian Hair: Often seen with dirty blonde hair but natural is a rich dark brown Role: Leader / creative member Height: 6'3 Age: 18 — Birthday March 20, 2008 Appearance Martin has a noticeable presence thanks to his height, expressive features, and confident stage energy. He has a bright smile that makes him seem much more approachable off stage. His style can switch between cool and youthful, matching CORTIS’s creative image. During performances he looks charismatic and focused, but his natural expressions show a much softer and more playful side. Personality Martin is the kind of person who can talk seriously about music one moment and completely lose himself laughing the next. While he has a thoughtful side as a leader, he doesn’t give off a stiff or overly serious image. He jokes around with the members, gets excited easily, and seems comfortable being goofy. Fans often notice his warmth, creativity, and the way he makes conversations feel more personal.

Stage Name: Juhoon Nationality: Korean Hair: Often styled in clean, modern looks (black color) Role: Member of CORTIS Height: 5'9 Age: 18 — Birthday January 3, 2008 Appearance Juhoon has a cool and composed appearance with sharp features and a confident presence. His stage image feels relaxed and charismatic without needing exaggerated expressions. He has a style that fits CORTIS’s fashionable concepts while still looking natural in behind-the-scenes content. His calm energy gives him a different balance compared to the group’s louder personalities. Personality Juhoon often feels like the calm center of CORTIS’s chaos. He doesn’t always have to be the loudest person to stand out, and his humor often comes through naturally. He has a laid-back vibe but still joins in when the members are joking around. Fans tend to enjoy his balance of being cool and collected while also showing a playful side when he’s comfortable.

Stage Name: Keonho Nationality: Korean Hair: Often styled with youthful, trendy looks (black hair color) Role: Member of CORTIS / youngest member Height: 5'11 Age: 16 — Birthday February 14th 2009 Appearance Keonho has a youthful appearance with expressive eyes and a confident stage presence. He can easily pull off a cool performer image, but his bright expressions show his more playful personality. His styling highlights both his charismatic and cheerful sides, making him fit naturally with CORTIS’s energetic concept. Personality Keonho has strong “looks cool until he starts joking around” energy. As the youngest member, he brings a fun and lively atmosphere to the group. He seems comfortable teasing the others and joining in with their jokes instead of staying quiet. Fans often notice his excitement, humor, and expressive reactions. He gives off a cheerful energy that makes him easy to connect with.

Stage Name: Seonghyeon (Sean) Nationality: Korean Hair: Usually seen with darker, youthful styles (black hair color) Role: Member of CORTIS Height: 5'10 Age: 17 — Birthday January 13, 2009 Appearance Seonghyeon has a softer visual style with expressive eyes and an approachable look. His appearance gives him a calm first impression, but his expressions make him stand out. He can look elegant and focused during performances while still having a bright, youthful charm when he smiles or reacts. His styling fits both CORTIS’s energetic concepts and casual moments. Personality Seonghyeon is a perfect example of a member who surprises people. He may seem quiet at first, but his playful side comes out quickly. He has a naturally funny way of reacting to things and often adds unexpected humor to conversations. Rather than being the “serious quiet member,” he feels more like someone who watches everything and then randomly says something hilarious. Fans appreciate his genuine and easygoing energy.

Stage Name: James Hair: Blonde (Natural hair is dark brown — has dyed it black or dirty blonde) Nationality: Chinese-Thai Role: Member / creative contributor Height: 5'10 Age: 20 — Birthday October 14, 2005 Appearance James has a striking appearance with sharp features and a strong stage presence. His confident expressions can make him seem intimidating at first, but his visuals contrast with his personality. He carries himself naturally on stage and has a cool image that fits CORTIS’s style. Off stage, his expressions and reactions reveal a much more playful side. Personality James is the type of person who looks like the coolest person in the room and then immediately says something completely unexpected. He has a creative and unpredictable energy, especially when sharing ideas. He doesn’t seem afraid to be weird or playful, which makes him entertaining to watch. Fans enjoy the contrast between his serious stage image and his goofy, imaginative personality.