The Ultimate Guide To KPop Demon Hunters Characters: Meet The Huntrix And The Saja Boys

The global sensation *KPop Demon Hunters* has officially taken the world by storm, earning the coveted title of TIME's 2025 Breakthrough of the Year. This groundbreaking Netflix animated film, which premiered on June 20, 2025, masterfully blends the high-energy world of K-pop with a supernatural action-adventure narrative, captivating audiences worldwide. The movie introduces two rival groups—the heroic K-pop girl group Huntrix and the demonic boy band Saja Boys—each with a unique role in the eternal battle against the Demon King, Gwi-Ma. Now, in late 2025, fans are clamoring for every detail on the powerful characters and the talented voice actors who brought them to life.

The film’s success stems from its compelling characters, who are K-pop superstars by day and fierce demon hunters by night. Their secret war against the forces of darkness, sealed away long ago by a powerful magical barrier called the Honmoon, forms the core of the story. Below is a comprehensive look at the main characters, their in-universe roles, and the celebrated actors behind the voices.

The Huntrix: K-Pop Idols and Demon Hunters (Character Biographies)

The core of the story revolves around the K-pop girl group Huntrix, a trio of idols who use their music and secret identities to protect humanity. Their songs are not just chart-toppers; they are powerful "songs of sealing" that keep the demons at bay. The Huntrix members are Rumi, Mira, and Zoey.

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1. Rumi: The Leader and Voice of Power

• Character Role: The main protagonist and lead singer of Huntrix. Rumi's voice is the most powerful weapon against the demons, but it also makes her a prime target for the Demon King.
• Voice Actor: Arden Cho
• Voice Actor Biography: Arden Cho is an American actress, singer, and model, widely recognized for her breakout role as Kira Yukimura on MTV's supernatural teen drama *Teen Wolf*. She has starred in several Netflix projects, including the legal drama series *Partner Track* (2022) and the live-action adaptation of *Avatar: The Last Airbender*. Born on August 16, 1985, Cho brings a wealth of experience in action and fantasy to the role of Rumi.

2. Mira: The Strategic and Fierce Hunter

• Character Role: A key member of Huntrix, known for her sharp intelligence and formidable fighting skills. Mira is the grounding force of the trio, often providing the strategy for their missions.
• Voice Actor: May Hong
• Voice Actor Biography: May Hong is a Korean-American model, actress, and artist. Born on October 24, 1988, she has gained recognition for her work in television and film, including appearances in the series *High Maintenance*. Her background in modeling for major designers like Marc Jacobs and Eckhaus Latta adds a layer of artistry to her portrayal of the stylish and fierce Mira.

3. Zoey: The Quick-Witted and Energetic Maknae

• Character Role: The youngest (maknae) member of Huntrix, Zoey is energetic, quick-witted, and often provides comic relief, though she is a highly capable demon hunter.
• Voice Actor: Ji-young Yoo
• Voice Actor Biography: Ji-young Yoo is an emerging American actress, born on September 25, 2000, in Denver, Colorado. She first gained recognition for her role in the 2021 Netflix comedy-drama film *Moxie*. Her role as the voice of Zoey in *KPop Demon Hunters* is one of her leading voice acting roles, following her expanded repertoire in the horror genre with films like *Until Dawn*.

The Saja Boys: The Demonic K-Pop Counterpart

The main antagonists are the Saja Boys, a K-pop boy band formed by five demons under the command of Gwi-Ma. "Saja" in Korean mythology means "messenger of death," which perfectly suits their true, sinister nature. Their goal is to undermine the Huntrix and break the Honmoon barrier to unleash the Demon King.

4. Jinu: The Human-Turned-Demon Leader

• Character Role: Jinu is a complex and tragic figure—a human who was turned into a demon and now serves as the leader of the Saja Boys. His story is central to the film's emotional conflict, especially as he grapples with his lost humanity.
• Voice Actor: Ahn Hyo-seop
• Voice Actor Biography: Ahn Hyo-seop is a highly popular South Korean-Canadian actor and singer. He is well-known in the K-drama world for his leading roles in hit series such as the second and third seasons of *Dr. Romantic* (2020–2023), *Lovers of the Red Sky* (2021), and *Business Proposal*. Born in Seoul, he was a former member of the project groups One O One and S.O.U.L. His casting as Jinu, a character with deep K-pop roots and dramatic conflict, was a major draw for the film.

5. The Saja Boys Trio: Mystery, Romance, and Abby

The Saja Boys are a collective force of musical chaos, each member embodying a different archetype of demonic influence:

• Mystery Saja: The speaking voice for this character is provided by Alan Lee.
• Romance Saja: The singing voice for this character, who uses charm and allure as a weapon, is performed by samUIL Lee.
• Abby Saja: This character's voice is provided by Neckwav, rounding out the core demonic boy band.

The Apex of Evil: Gwi-Ma, The Demon King

Every great hunter needs a truly terrifying prey, and in *KPop Demon Hunters*, that role is filled by the ruthless and manipulative Demon King, Gwi-Ma. The name itself is steeped in Korean mythology, where "Gwi" translates to "ghost, spirit, or demon." Gwi-Ma is the ruler of the demon world, constantly seeking to break the Honmoon, the magical barrier that imprisons him and his minions.

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• Character Role: The ultimate antagonist who feeds on human souls and uses his power to emotionally torture other demons, including the Saja Boys.
• Voice Actor: Lee Byung-hun
• Voice Actor Biography: Gwi-Ma is voiced by the legendary South Korean actor Lee Byung-hun, known globally for his roles in blockbusters like *Squid Game*, *G.I. Joe: The Rise of Cobra*, and *Terminator Genisys*. His casting adds significant gravitas and star power, lending a truly formidable presence to the Demon King.

The Future of KPop Demon Hunters and Topical Authority

The incredible success of *KPop Demon Hunters* has solidified its place as a new cultural phenomenon. The film's critical acclaim, culminating in the TIME's 2025 Breakthrough of the Year recognition, has guaranteed its longevity.

The world-building extends beyond the main film, with a webtoon titled *Jinu Afterlife - Kpop Demon Hunters* exploring the complex backstory of the Saja Boys leader, Jinu, after his passing. This expansion into different media formats, including fan-made content and a strong presence on platforms like WEBTOON, demonstrates the deep topical authority the franchise has established in the K-pop and fantasy genres.

The most exciting news for fans is the confirmed development of a sequel. While the demons won't go dormant in the meantime, the next chapter in the Huntrix vs. Saja Boys saga is reportedly slated for a 2029 release. The creators are also exploring other avenues to tell stories within this universe, promising more adventures for Rumi, Mira, and Zoey, and perhaps a deeper dive into the mythology of the Honmoon and the Saja. The original film's blend of high-stakes action, compelling K-pop music, and the star power of its voice cast—Arden Cho, May Hong, Ji-young Yoo, and Ahn Hyo-seop—ensures that the *KPop Demon Hunters* franchise will remain a dominant force in animated entertainment for years to come.

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