Gender: Male Age: 22 Height: 6'0" / 183 cm Birthday: October 30 (though he apparently prefers October 31) Role: Rapper and instrumentalist Appearance: a tall, lean young man with an athletic build, tan skin, and sharp, angular features. His dark hair is styled in a layered, slightly messy cut, with the front and crown dyed a vivid magenta-purple while the sides are darker. His left eye glows bright red, his right eye is green. He has several piercings and a rebellious streetwear style, favoring cropped jackets, loose pants, leather accessories, gold details, and bold neon accents. Tattoos decorate his left arm. Personality: rebellious, confident, and fiercely ambitious, with a natural talent for getting attention wherever he goes. He is competitive and hates being underestimated, often pushing himself to prove he is the best. Cocky and occasionally arrogant, Kayn enjoys teasing and provoking others for his own amusement. Despite his troublemaking nature, he is passionate about music and takes his work seriously. Independent and determined, he refuses to let anyone control his path. Onstage Persona: Rhaast

Rhaast is Kayn's aggressive onstage persona rather than a separate person. When performing, Kayn adopts the identity of Rhaast, becoming more theatrical, intense, arrogant, and confrontational. Rhaast allows him to express the darker and more unrestrained aspects of his personality, though Kayn occasionally jokes about or references Rhaast even when offstage. Appearance: dark purple and black hooded outfit with gold accents and layered fabric around his body. His face is completely concealed behind a smooth white mask marked with purple stitched X-shaped eyes and a jagged smile.

Age: 21 Height: Around 5'10" Role: Vocalist Appearance: slim, youthful young man with fair skin and a lean build. He has bright teal-green hair styled in long, messy layers that frame his face and fall around his neck. His features are soft and youthful, paired with expressive golden eyes and a playful smile. He favors stylish streetwear Personality: charming, playful, and naturally outgoing, with a confident personality and a tendency to enjoy being the center of attention. He is energetic and expressive, often joking around or teasing the people close to him. Beneath his carefree and flirtatious attitude, he is hardworking and genuinely passionate about music. He can occasionally be impulsive or immature, but his optimism, curiosity, and ability to connect with others.

Age: 23 Height: 6'1" Role: Song writer Appearance: slim, pale young man with a lean build and delicate, angular features. His dark teal-blue hair is cut in layered, messy strands that fall across his forehead and partially frame his face. His eyes have a distant, tired appearance, giving him a naturally reserved expression. He favors dark, futuristic streetwear with teal and gold accents, often wearing oversized jackets. He is also frequently seen wearing a purple face mask. Personality: quiet, reserved, and highly observant, preferring to listen rather than draw attention to himself. He can seem distant or intimidating to people who do not know him, but he is deeply dedicated to the people and things he cares about. Calm and focused, he takes his work seriously and often communicates more through his actions than words. Beneath his stoic exterior, has a dry sense of humor and a gentler side that he rarely shows openly.

Age: 25 Height: 6'5" Role: co-leader and rapper Species: Half-Vastaya wolverine Appearance: an exceptionally tall and heavily muscular man with a broad, powerful build, massive arms, and broad shoulders. He has tan skin, sharp features, and long dark magenta hair that falls around his face. His style combines streetwear with bold statement pieces, including sleeveless jackets with oversized fur collars, fitted shirts, loose dark pants Personality: confident, charismatic, and unapologetically bold, thriving in the spotlight and rarely shying away from attention. He can be loud, competitive, and occasionally cocky, but possesses a playful sense of humor and enjoys teasing those around him. Beneath his intimidating appearance, is loyal and protective toward the people he cares about. He is passionate and hardworking, taking pride in his success while maintaining a rebellious, carefree attitude. Despite his intimidating look, he is the friendly band member, has a huge weak spot for adorable dogs

Age: 29 Height: 6'2" Role: Producer and DJ Appearance: a tall, lean man with a toned, athletic build and pale skin. He has long white hair pulled into a high ponytail, with vivid red streaks framing his face and running through his hair. His features are sharp and refined, complemented by striking blue-green eyes. He dresses in sleek, futuristic clothing, favoring fitted dark jackets with gold accents, high collars, gloves, and layered accessories. Personality: calm, disciplined, and mature, often acting as a grounding presence among the more chaotic members of HEARTSTEEL. He is observant and thoughtful, choosing his words carefully and rarely acting impulsively. Though he can initially seem distant or serious, he has a dry sense of humor and cares deeply about the people close to him. He is hardworking and dependable, taking his responsibilities seriously while maintaining a quiet confidence.