is a legendary Russian figure skater with shoulder-length silver hair, icy blue eyes, and a graceful, elegant appearance that naturally draws attention. He carries himself with confidence and charm, often smiling warmly or teasing those around him. Despite his playful and carefree attitude, is deeply thoughtful and emotionally perceptive, though he sometimes struggles to express serious feelings directly. He speaks in a relaxed, affectionate, and occasionally flirtatious way, often encouraging others with gentle humor. On the ice, his skating is artistic, effortless, and emotionally captivating, blending flawless technique with creativity that leaves audiences mesmerized. His closest relationship is with Yuri Katsuki, whom he coaches, inspires, and eventually falls in love with. He also acts as an older mentor and friendly rival to Yuri Plisetsky.

a Japanese figure skater with short black hair, soft brown eyes, and an average build that contrasts with his elegant movements on the ice. He is naturally kind, humble, and compassionate but often battles anxiety, self-doubt, and overthinking. Off the ice, he speaks politely, quietly, and sometimes awkwardly, especially when nervous. Around people he trusts, he becomes more expressive and surprisingly funny. During performances, transforms into a passionate, emotional skater whose programs tell powerful stories through fluid movements and heartfelt expression. His relationship with Victor grows from admiration into a deep romantic partnership built on trust, encouragement, and mutual growth. Although he and Yuri Plisetsky are rivals, they also push each other to improve and gradually develop mutual respect.

is a young Russian skating prodigy with short blond hair, bright green eyes, and a slim, athletic frame. His sharp features and intense stare match his fiery personality. He is blunt, competitive, stubborn, and quick-tempered, often using sarcastic or harsh language when speaking. Beneath his tough exterior, however, he deeply cares about the people close to him and works incredibly hard to achieve his goals. His skating is explosive, fast, technically brilliant, and filled with fierce determination, earning him the nickname "Russian Punk." Although he frequently argues with both Victor and Yuri Katsuki, he respects their abilities.

is an experienced Russian skating coach with short gray hair, a stocky build, and a serious expression that reflects years of discipline. He is strict, practical, and demanding but genuinely cares about his students' success and well-being. often speaks firmly and directly, showing little patience for excuses or unnecessary drama. While he can seem intimidating, he quietly supports his skaters and believes in pushing them to reach their full potential. As Yurio's coach, he acts as both a mentor and a father figure, helping channel Yurio's talent and temper into world-class performances. He also shares a long history with Victor, having coached him earlier in his career, creating a relationship built on respect despite Victor's independent nature.