The Ultimate Guide To K-Pop Demon Hunters Characters: Meet Huntrix, The Saja Boys, And The Demon King Gwi-ma

The fusion of high-energy K-Pop stardom and the supernatural world of demon hunting has captivated audiences, thanks to the unique animated film KPop Demon Hunters. As of today, December 18, 2025, the buzz around the main characters—the triple-threat idols who secretly protect humanity—remains incredibly high, especially with the release of new animated shorts and a growing webtoon presence. This article dives deep into the profiles of the fierce K-Pop idols of Huntrix, their mysterious rivals, and the terrifying entities they battle, offering the most up-to-date look at the character dynamics and lore.

The concept is simple but brilliant: a globally famous K-Pop girl group, Huntrix, uses their sold-out stadium tours and dazzling stage presence as a cover for their true mission—sealing away an ancient race of demons. This deep dive will uncover the full roster of heroes and villains, detailing their unique powers, personalities, and the acclaimed voice actors who bring them to life on screen.

Character Profiles: The K-Pop Idols and Their Secret Identities

The core of the KPop Demon Hunters story revolves around the members of the K-Pop group Huntrix (HUNTR/X), a trio of talented singers and dancers who are also the world's most effective demon hunters. Their dual lives create a compelling narrative that blends pop culture glamour with action-fantasy lore. Here is a complete breakdown of the main characters, including the voice actors who portray them.

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• Rumi (Voiced by Arden Cho)
  • Role: The Leader and Most Dedicated Hunter.
  • Biography: Rumi is the daughter of a former K-Pop star who was also a powerful demon hunter. This legacy drives her, making her the most focused and dedicated member of Huntrix to the mission of completing the Honmoon—the ritual to seal away the demons. She is often the most serious, balancing her idol responsibilities with her intense sense of duty.
  • Key Trait: Driven by legacy and responsibility.
• Mira (Voiced by May Hong)
  • Role: The Charismatic and Free Spirit.
  • Biography: Mira provides a balance to Rumi's intensity. She is known for her vibrant personality and incredible stage presence, making her a fan favorite. While she takes her demon-hunting duties seriously, she often brings a lighter, more pragmatic approach to their dangerous missions.
  • Key Trait: Charismatic, witty, and pragmatic.
• Zoey (Voiced by Ji-young Yoo)
  • Role: The Tech Whiz and Strategist.
  • Biography: Zoey is the brains of the operation, often leveraging technology and strategy to track and corner demons. She is the quiet observer, providing the tactical edge that Huntrix needs. Her skills are essential for maintaining their secret identities while fighting supernatural threats in the modern world.
  • Key Trait: Intelligent, strategic, and tech-savvy.

The voice cast for Huntrix is a key part of the film's appeal, featuring prominent actors from both the K-Drama and Hollywood scenes, giving the characters a familiar yet fresh sound.

The Rival Group and The Demon King: Antagonists and Allies

The world of KPop Demon Hunters is populated by more than just the Huntrix trio. There are rival K-Pop groups, ancient demons, and mysterious figures who play critical roles in the ongoing battle between good and evil. These supporting characters add layers of complexity to the narrative, fueling both the K-Pop industry drama and the supernatural conflict.

The Saja Boys: Mystery, Romance, and Rivalry

The Saja Boys are a rival K-Pop group whose sudden rise to fame coincides with an escalation in demon activity. The term "Saja" refers to the grim reaper or messenger of death in Korean folklore, hinting at their ambiguous role in the story.

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• Jinu (Voiced by Ahn Hyo-seop)
  • Role: The Main Lead of the Saja Boys.
  • Biography: Jinu is the most prominent member of the Saja Boys, and his character is explored further in the related WEBTOON series, Jinu Afterlife - Kpop Demon Hunters. His popularity grows rapidly, and he is a key figure whose actions directly impact the Honmoon's stability.
• Mystery Saja & Romance Saja
  • Role: Other key members of the Saja Boys.
  • Biography: These members embody different archetypes, with Mystery Saja's speaking voice provided by Alan Lee and Romance Saja's singing voice by samUIL Lee. Their presence complicates Huntrix's mission, as their growing popularity seems to inadvertently empower the demon world.

Gwi-ma: The Ruthless Demon King

Every hero needs a powerful villain, and in this universe, that role is filled by Gwi-ma, the manipulative and ruthless Demon King.

• Gwi-ma (Voiced by Lee Byung-hun)
  • Role: The Main Antagonist.
  • Biography: Gwi-ma is the ancient ruler of the demon world, whose power is immense. He is known for his psychological warfare, using emotional torture against his own minions and orchestrating the chaos that Huntrix must contain. The voice acting by the globally recognized actor Lee Byung-hun (from Squid Game and Hollywood films) gives the character a terrifying gravitas.
  • Key Trait: Manipulative, ruthless, and ancient.

The Lore and Expanding Universe: Honmoon and Supporting Entities

The world-building of KPop Demon Hunters extends beyond the main cast, incorporating key supernatural concepts and supporting characters that enrich the demon-hunting lore. Understanding these entities is crucial for appreciating the full scope of the Huntrix's mission.

The Honmoon: The Gateway to the Demon World

The Honmoon is a central plot device, representing the ancient seal or gateway between the human world and the demon world. The entire mission of Huntrix is to maintain and complete this seal, preventing a full-scale demonic invasion. The rise of the Saja Boys' popularity is directly linked to the Honmoon's weakening, suggesting a deep connection between celebrity, energy, and the supernatural.

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Other Notable Characters and Entities

The universe is filled with other minor demons and human allies who contribute to the story's depth:

• Abby Saja: Another member of the Saja Boys, adding to the mysterious nature of the rival group.
• Celine: A supporting human character, likely an ally or manager to Huntrix, who helps them navigate their dual careers.
• Bobby: Another supporting figure.
• Dupi and Seo: Minor supporting characters who play roles in the ongoing narrative.
• Heo Jun-bong: A character mentioned in the expanded lore, possibly a historical or contemporary figure in the demon-hunting world.

The expanding universe, which includes the animated film and the ongoing WEBTOON series, ensures that the stories of Rumi, Mira, and Zoey—the K-Pop Demon Hunters—continue to evolve, offering fans fresh content and deeper dives into the lore of the Honmoon and the Demon King Gwi-ma. The unique blend of action, comedy, and K-Pop culture makes this franchise a must-watch for anyone looking for a fresh take on the supernatural genre.