Baby Saja KPop Demon Hunters: Gender, Age, Backstory & More

Some characters leave you wondering whether to root for them or run the other way. Baby Saja, the demon maknae of the Saja Boys in KPop Demon Hunters, is exactly that kind of character — equal parts adorable and dangerous. With his cherubic face and razor-sharp rapping skills, he’s caught the curiosity of fans who want to know more about his backstory, age, and relationships. Here’s what the official sources actually tell us, and what remains a mystery.

Role: Main rapper of Saja Boys ·
Species: Demon ·
Age: Unknown (maknae) ·
Film: KPop Demon Hunters (2025)

Six key facts about Baby Saja, drawn from the official KPop Demon Hunters character bio and community sources:

Is Baby Saja a girl or a boy?

What is Baby Saja’s gender?

• Baby Saja is a male demon, according to the official Netflix Tudum character bio.
• He is consistently referred to as “he” in all official sources and promotional materials.

Official sources and the film’s dialogue refer to Baby Saja using male pronouns. The Netflix Tudum article describes him as one of the Saja Boys’ most youthful-looking members, with cherubic styling that leans into his “baby” persona.

Is Baby Saja a boy or girl in KPop Demon Hunters?

• The character is canonically male, as confirmed by Netflix’s official character description.
• His design includes masculine features and styling consistent with the group’s demon-idol aesthetic.

The Villains Wiki entry categorizes Baby as a major antagonist in the KPop Demon Hunters film and the youngest member of the Saja Boys, reinforcing his male identity within the narrative.

The implication: the character’s ambiguous appearance is a storytelling device, not a mistake.

What is the backstory of Baby Saja?

What is Baby Saja’s origin?

• Baby Saja first appears in the demon realm during a meeting with Gwi-Ma, where he joins Jinu in pitching the Saja Boys plan (Netflix Tudum, official character bio).
• He is a demon who disguises himself as a K-pop idol, according to fan references on the KPop Demon Hunters Wiki.

The official backstory, as outlined by Netflix Tudum, positions Baby Saja as a key figure in the Saja Boys’ scheme. The group is dispatched from the underground to charm fans across the globe and steal their souls. His cuteness is portrayed as part of a carefully crafted facade rather than his true nature.

What happened to Rumi’s mom?

The KPop Demon Hunters Wiki hints at a connection between Baby Saja and Rumi’s mother, but the film does not provide a complete backstory. This remains one of the unresolved character threads that fans are actively discussing in online communities.

How does Baby Saja become a demon?

Baby Saja’s origin as a demon is presented as a given within the film’s mythology — he is a native of the demon realm, not a transformed human. The Netflix Tudum article confirms that the Saja Boys’ mission originates from the underground, suggesting Baby Saja has always been a demonic entity.

The pattern: the film deliberately withholds origin details to maintain mystery.

How old is Baby Saja in KPop Demon Hunters?

What is Baby Saja’s age?

• Netflix describes Baby Saja’s age as “impossible to say” and notes he is “toddler-like in cuteness” (Netflix Tudum, official character bio).
• He is portrayed as the maknae (youngest member) of the Saja Boys.

One fan-profile site lists Baby Saja’s age as 0, which conflicts with Netflix’s official statement that his age is impossible to pin down (Kpopdemon.com). Some fan commentary suggests he may be around 19 or 20, but this is speculative and not confirmed in canon (YouTube fan discussion).

When is Baby Saja’s birthday?

No official birthday has been released for Baby Saja. The Netflix Tudum article does not mention a birth date, and fan-created profiles offer conflicting dates that carry no canonical weight. The character’s agelessness appears to be an intentional part of his mystique.

What this means: the age ambiguity is a marketing tool, not a plot hole.

Does Zoey like Baby Saja?

Do Zoey and Baby Saja have a relationship?

• Zoey shows interest in Baby Saja, based on a Sony Pictures Animation Facebook post that hypes a line from the film.
• Their dynamic is a subplot in KPop Demon Hunters, though the exact nature of the relationship is not fully explored in the film.

The KPop Demon Hunters Wiki notes that Baby Saja is associated with the group’s youngest-presenting member, which adds a layer of complexity to any potential romantic subplot with Zoey. The film leaves their relationship ambiguous.

Does Baby Saja like Zoey back?

Baby Saja’s feelings toward Zoey are ambiguous in the film. The Netflix Tudum article focuses on his role as a demon idol and does not address romantic entanglements. Fan discussions on platforms like YouTube and Reddit speculate about the dynamic, but no canonical confirmation exists.

The catch: unresolved romance points to potential sequel development.

Who plays Saja Boys?

Who are the members of Saja Boys?

• Saja Boys is a demon-themed boy band in the film, with members including Baby Saja (rapper), Jinu (singer), and others (Netflix Tudum, official character bio).
• Baby Saja is the main rapper and the group’s maknae.
• The group builds a fandom called The Pride (Netflix Tudum, official character bio).

The K-Crush character analysis frames Baby Saja as representing the infantilization of Asian idols and performers, offering an editorial perspective on how the character fits into broader K-pop industry critiques.

Who sings as Jinu?

Jinu is voiced by Seop, according to the KPop Demon Hunters Wiki, though the specific role (singing vs. speaking voice) is not detailed. The Netflix Tudum article confirms that Baby Saja’s singing voice in the English-language version is provided by Danny Chung.

Who is the voice actor for Jinu?

Jinu’s voice actor is listed as Seop on the KPop Demon Hunters Wiki. The Netflix Tudum article confirms Danny Chung handles Baby Saja’s rapping and singing vocals in the English-language version, while the speaking voice actor has not been publicly identified.

Seven character specifications for Baby Saja, drawn from the official Netflix bio and supplementary sources:

The implication: the Saja Boys are a collective threat, with Baby Saja as a key member.

Baby Saja exists at the intersection of two powerful forces: the carefully manufactured charm of K-pop idol culture and the genuine menace of a demon on a mission. For fans drawn to the character, the ambiguity isn’t a flaw — it’s the point. The Netflix Tudum article makes clear that his cuteness drives the Saja Boys’ success, building a fandom called The Pride. For viewers trying to decide whether Baby Saja is a lovable idol or a genuine threat, the trade-off is deliberate: the film gives you the charm, but it never lets you forget the teeth.