Who is Teen in Agatha All Along? Everything to know about the character

Agatha All Along premiered on Disney+ on September 18, 2024, with its first two episodes. This spin-off from WandaVision continues the storyline.

The series introduces Teen, a character who drew viewers in right away. Joe Locke's Teen is a young witch-in-training with an enigmatic background. Fans of the Marvel universe are eagerly speculating about Teen's identity, which remains ambiguous, with some wondering if he is actually Billy Kaplan, also known as Wiccan.

Agatha Harkness, played by Kathryn Hahn, is once again in the spotlight. However, the first two episodes of the series, "Seekest Thou the Road" and "Circle Sewn With Fate / Unlock Thy Hidden Gate," seem to shift their focus to the young and mysterious Teen.

There are nine episodes in total, and the next episode will air on September 25, 2024. The last two episodes will air on October 30, 2024.

Disclaimer: This article contains spoilers.

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Joe Locks as Teen in Agatha All Along

Joe Locke, a Manx actor, portrays Teen in Agatha All Along, a Marvel Studios series, where he plays a mysterious assistant to Agatha's coven. His character remains enigmatic due to a sigil hex that hides his identity.

Earlier, he gained recognition for his role as Charlie Spring in Netflix's Heartstopper. He debuted on-screen in 2022, having been selected from over 10,000 candidates.

Beyond television, Locke made his Broadway debut in 2024, playing Tobias Ragg in Sweeney Todd: The Demon Barber of Fleet Street. His career continues to expand in both film and theater.

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Plot of Agatha All Along and Teen’s role in It

Agatha All Along's storyline revolves around Agatha's search for her powers through a magical trip full of danger and magic—walking the Witches' Road. Teen, a young character unaware of his magical ability, becomes one of her main allies.

Although he claims to be looking for power, it is evident throughout the series that his story is more complicated. His failure to disclose his name as well as his past points to the presence of magical forces playing outside of his control.

Teen assists Agatha in breaking the illusion cast by the Scarlet Witch, freeing her from her magical prison. However, whenever Teen attempts to reveal his name, he is silenced, adding to the mystery of his character.

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Is Teen actually Billy Kaplan?

Teen’s powers are not fully explored in the first few episodes. However, it is clear that he is not just a novice witch. As he breaks the magical barriers, it suggests that his abilities are far beyond what he lets on.

Billy Kaplan’s story in the comics aligns with Teen’s mysterious past. In the comics, Billy searches for his mother, Wanda Maximoff, after learning about his magical heritage. This parallels Teen’s journey in Agatha All Along, where he is seen walking the Witches’ Road, possibly in search of his mother or his identity.

In Marvel Comics, Billy is one of Scarlet Witch’s twin sons and possesses powerful magical abilities. His resemblance to Teen, both in appearance and powers, has led many to believe that the character is Wiccan.

In WandaVision, Scarlet Witch's children, Billy and Tommy, were portrayed as illusions. Assuming Teen is Wiccan, this would be a major step in bringing the Young Avengers plot into the larger Marvel Cinematic Universe.

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The spell on Teen

A still from Agatha All Along (Image via Disney+)

A key point in Agatha All Along is the spell preventing Teen from talking about his actual identity. His words are muffled or rendered meaningless whenever he tries to say his name or discuss his past. This magical constraint might provide hints about his relationship with Wanda Maximoff, who has a history of creating potent spells for the MCU.

If Teen is indeed Billy Kaplan, this spell could be the result of Wanda’s past actions in WandaVision, where she created illusions to hide her grief. Teen’s struggle to uncover his identity could be tied to Wanda’s lingering magic, making him a central figure in the unfolding plot.

The mystery surrounding Teen’s identity has led to many fan theories. While some believe he is a new character created for the show, the evidence strongly suggests that Teen is Billy Kaplan. His physical resemblance to the character, combined with his magical abilities, makes this theory the most plausible.

A fan has mentioned on Twitter,

"New #AgathaAllAlong teaser focused on Joe Locke’s character “Teen” (rumored to be Billy Kaplan a.k.a Wiccan)! "

One user tweeted,

"#AgathaAllAlong is NOW on @DisneyPlus and the *potential* live action debut of Billy Kaplan if that’s who Teen is!"

Another fan commented,

"Can’t wait to see who “ Teen ” is. It would be cool if he was Mephisto but i get Billy Kaplan vibes from him."

With strong evidence pointing to him being Billy Kaplan, fans are eagerly awaiting the reveal.

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Agatha All Along is currently streaming on Disney+.