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10 Side Characters in Kdramas Who Deserve Their Own Spin-Offs!
From Goblin’s iconic Grim Reaper to Startup’s Han Ji Pyeong, these unforgettable K-drama side characters stole every scene and deserve spin-offs exploring their pasts, futures, and untold stories.ByLee Yoon
·May 28, 2026 at 7:26 PMSometimes when watching a K-drama, You're totally invested in the main couple, but then a
supporting character strolls in and completely steals the show. They might not be the central
figure, but their charisma, complex story, or sheer screen presence makes you feel like they
could easily be the star. In This Video, We will be talking about 10 such characters who
absolutely gave off main lead vibes and deserve their own spin-off series.
10: Jo Gang-Ok in Vigilante
Lee Joon Hyuk as Jo Gang-Ok in the 2023k-drama was a total wildcard. This character, a wealthy man obsessed with the vigilante,
brought a chaotic energy to the screen. He wasn't your typical villain or sidekick; he was a
fanboy with resources and a twisted sense of justice. As a wealthy conglomerate VP with a
- bizarre admiration for the titular Vigilante, he was unpredictable, strangely ethical in his own
- twisted way, and brought a compelling, almost theatrical energy to every scene he was in. A
- spin-off where Jo Gang-ok wraps up his unfinished business with the chairman would be
- insanely entertaining.
09: Tokyo in Money Heist Korea
Jeon Jong-seo's portrayal of Tokyo was the fiery
heart of the Korean "Joint Economic Area" crew and our guide through the chaotic heist as
the narrator. She was introduced with a tough exterior, shaped by a difficult past as a North
Korean defector and a history of fighting back against injustice. Despite her impulsive side,
her loyalty to the Professor and her fellow crew members, coupled with moments of raw
vulnerability, made her a complex and magnetic character. Much like how Berlin from the
original Money Heist was popular enough to get his own series, Tokyo's compelling presence
makes a strong case for her own story. Her pre-heist life or adventures after the main story
finished would make for an intense spin-off.
08: Yang-Cha in Arthdal Chronicles
of intriguing characters, and Yang-cha is definitely one of them. As a skilled Daekan warrior
under Tagon, he was masked and initially mysterious, communicating primarily through
intense gazes and actions. His loyalty was fierce, but glimpses into his past and his
interactions, particularly with Tanya, hinted at deeper emotions and a hidden history tied to
his enforced silence.
- He was a character you constantly wanted to know more about. A
- spin-off uncovering more of his past, or following his journey after the main story, would be
- full of intrigue and action.
07: Seo Do-yoon in W: Two Worlds
Lee Jong-suk’s character—Kang Chul, might
have been the webtoon star, but his loyal and skilled bodyguard—Seo Do-yoon, was a quiet
force to be reckoned with. Always by Kang Chul's side, Do-yoon was dependable, capable,
and had an air of mystery about him. We saw glimpses of his dedication and fighting
prowess, leaving us wanting to know more. A spin-off focusing on Seo Do-yoon could
explore his life before becoming Kang Chul's bodyguard, perhaps his training or past
missions. It could also follow his experiences navigating the strange realities of the two world
and his role in protecting Kang Chul from threats.
06: Rachel in The Heirs
Played by Kim Ji-won, Rachel Yoo was the epitome
of the "mean girl" chaebol heiress, but Kim Ji-won injected such depth and vulnerability into
the character that you couldn't help but be drawn to her. Her cold exterior hid a lonely and
insecure young woman navigating a world of privilege and expectation. A spin-off could
follow Rachel after the events of The Heirs, showing her journey of self-discovery and
growth. We could see her build her own identity outside of her family's wealth, finds genuine
connections, or even navigates the cutthroat world of business on her own terms.
05: Han Seo Jun from True Beauty
The ultimate second lead syndrome inducer! Han Seo Jun was the quintessential charming bad
boy, but Hwang In-youp infused him with so much warmth, loyalty, and underlying sweetness
that he often stole the spotlight. His protective nature towards his family, his undeniable
chemistry with the female lead, and his own dreams and insecurities made him a deeply
lovable character. He was the rebellious spirit with a heart of gold, and you couldn't help but
feel for him every step of the way. Charting his path through the competitive K-pop industry
and his life as an idol would make for a compelling music-centric spin-off, all while keeping
his core personality and perhaps exploring his family relationships further.
04: Kim Tae Sung in Lovely Runner
In a drama that had everyone buzzing about the main couple, Kim Tae Sung managed to carve out his own space and become a fan favorite. Song Geon-hee brought a carefree yet sincere energy to the role,
portraying a character who offered comfort and a different kind of connection. As the
charismatic and somewhat goofy high school band member, and later a earnest police
officer, he brought a different energy to the screen. His storyline, particularly in the past
timeline, felt significant and full of potential. Following his life after the main events, perhaps
focusing on his career path or personal growth, offers plenty of material for a warm and
engaging spin-off.
03: Seo Dan in Crash Landing on You
Seo Dan was the epitome of North
Korean elegance and pride in Crash Landing on You. Initially presented as the sophisticated,
somewhat rigid fiancée, Seo Ji-hye beautifully unfolded her character's layers. Her sharp wit,
unexpected comedic timing, and her eventual poignant and moving connection with Gu
Seung Joon showcased her depth and vulnerability. She evolved from a seemingly cold
character into someone fiercely loyal and capable of great warmth and sacrifice. A spin-off
could follow Seo Dan's life after the finale, showcasing her independence and strength as
she navigates changes in her world.
02: Han Ji Pyeong in Startup
The "Good Boy" who launched Kim Seon-ho
into superstardom! Han Ji Pyeong was the incredibly successful, sharp-tongued, but secretly
soft-hearted investor who mentored the main characters. His gruff exterior hid a deep well of
kindness and a fierce loyalty, particularly towards the grandmother who raised him. His
compelling backstory, incredible chemistry with both the leads and the grandmother figure,
and his journey of figuring out his own feelings made him the emotional core for many
viewers, often overshadowing the intended romance. A spin-off could delve into Han Ji
Pyeong's past, showing his struggles as an orphan, how he clawed his way to the top, and
perhaps his search for his own happiness.
01: Grim Reaper in Goblin
Lee Dong-wook's portrayal of the Grim Reaper was perfection. He was simultaneously melancholic, hilarious, awkward, and incredibly cool. His amnesia regarding his past life added a profound layer of tragedy, while his petty squabbles and eventual bromance with the Goblin provided endless entertainment. Every scene with him was captivating, whether he was guiding a soul or navigating the complexities of modern life and romance.
He was a fully realized, deeply resonant character who felt like a lead in his own right. The possibilities for a spin off are endless! - Lee yoon
It could
explore the afterlife’s inner workings, his past, and new relationships, perhaps with cameos
from the Goblin cast. A mix of dark comedy and supernatural drama would suit him perfectly.
So, which other characters do you think deserve their own spin-offs? Let us know in the comments section below, and don't forget to like, and share with your friends.
FAQs
The Grim Reaper from Goblin tops the list thanks to his emotional backstory, humor, and unforgettable chemistry with the cast.
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