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Why Lee Dong Wook Used To Wash His Co-Star’s Underwear

Posted on July 12, 2026 by admin

The recent reunion of the beloved cast of tvN’s hit drama Guardian: The Lonely and Great God, popularly known as Goblin, for a special 10th-anniversary trip brought forth a surprising revelation about the early interactions between lead actors Lee Dong Wook and Gong Yoo. While their on-screen chemistry as the Grim Reaper and the Goblin captivated millions, a recent broadcast unveiled a much more hierarchical and unexpected past: Lee Dong Wook, during his mandatory military service, was responsible for washing Gong Yoo’s underwear and socks, a stark contrast to their later equal footing as co-stars and friends. This candid disclosure sheds light on the strict social dynamics within the South Korean military and the unique journey of two of the country’s most celebrated actors.

The Enduring Legacy of Goblin

Guardian: The Lonely and Great God, which aired from December 2, 2016, to January 21, 2017, became an unprecedented cultural phenomenon, both domestically and internationally. Written by the acclaimed Kim Eun-sook, the fantasy romance series transcended typical K-drama tropes, blending poignant storytelling with mythical elements, compelling characters, and breathtaking cinematography. It achieved staggering viewership ratings, with its final episode recording a nationwide rating of 18.68% and a peak of 20.986%, making it one of the highest-rated dramas in Korean cable television history at the time.

The drama’s success was largely attributed to its stellar cast, including Gong Yoo as Kim Shin (the immortal Goblin), Lee Dong Wook as the amnesiac Grim Reaper, Kim Go Eun as Ji Eun Tak (the Goblin’s bride), and Yoo In Na as Sunny (the Grim Reaper’s love interest). The intricate plot, which wove together themes of fate, reincarnation, sacrifice, and enduring love, resonated deeply with audiences. However, it was the unexpected and often comedic "bromance" between Gong Yoo and Lee Dong Wook’s characters that truly captured the public’s imagination, earning them a dedicated fan base and numerous awards. Their bickering yet deeply affectionate relationship became a defining element of the show, proving that compelling male friendships could be as central and beloved as romantic ones. The drama’s global reach through streaming platforms solidified its status as a Hallyu (Korean Wave) cornerstone, inspiring fan pilgrimages to filming locations and fostering a lasting connection with its audience. The Goblin 10th Anniversary Trip on tvN, featuring the main quartet, serves as a testament to the drama’s enduring appeal and the public’s continued affection for its cast.

Why Lee Dong Wook Used To Wash His Co-Star’s Underwear

Mandatory Military Service: A Formative Experience

For all able-bodied South Korean men, mandatory military service is a non-negotiable rite of passage. Rooted in the country’s ongoing geopolitical tensions with North Korea, this constitutional obligation typically requires individuals to serve for approximately 18 to 21 months, depending on the branch of service. This period is a significant disruption, particularly for young men at the cusp of their careers or in the midst of their education. For celebrities, military enlistment often means a temporary hiatus from their public lives, a period that is closely watched by fans and the media alike.

The military environment is characterized by a strict hierarchy and discipline, where rank and seniority dictate interactions. The sunbae-hoobae (senior-junior) culture, deeply ingrained in Korean society, is amplified within the armed forces. Juniors (hoobaes) are expected to show utmost respect and deference to their seniors (sunbaes), often performing various duties and errands as part of their training and unit cohesion. This system, while fostering camaraderie and discipline, also creates a clear power dynamic that can be starkly different from civilian life.

Both Gong Yoo and Lee Dong Wook fulfilled their national duties. Gong Yoo (birth name Gong Ji-cheol) enlisted on January 14, 2008, and was discharged on December 8, 2009. During his service, he distinguished himself by serving in the public relations department, and notably, became a DJ for the military radio station, "Gong Yoo’s 20 O’Clock," which allowed him to maintain a connection with the public and utilize his communication skills. Lee Dong Wook enlisted later, on August 22, 2009, and was discharged on June 20, 2011. He initially served in the Republic of Korea Army, but his talents eventually led him to the Defense Media Agency, where he also hosted a military radio program and participated in various public relations activities for the armed forces. Their overlapping service periods, particularly between August 2009 and December 2009, created the window for their initial, hierarchical encounter.

The Military Encounter: A Story from the Barracks

During the July 12 broadcast of the Goblin 10th Anniversary Trip, the four principal actors – Lee Dong Wook, Gong Yoo, Kim Go Eun, and Yoo In Na – embarked on a two-day, one-night journey to Gangneung, a picturesque city that served as a key filming location for the drama. Amidst shared laughter and nostalgic reminiscences, Yoo In Na posed a seemingly innocent question: had Lee Dong Wook and Gong Yoo first met during their military service?

Why Lee Dong Wook Used To Wash His Co-Star’s Underwear

Gong Yoo, the elder of the two, clarified the nature of their initial interaction. He explained that while their paths had indeed crossed during their respective military tenures, their relationship at that time was far from the close friendship they shared on the set of Goblin. He stated that it was the demanding and immersive experience of filming the mega-hit K-Drama that truly forged their bond, transforming them into genuine, close friends.

Lee Dong Wook then elaborated on the significant power imbalance that characterized their military acquaintance. He recounted that he was still a private, the lowest rank in the enlisted hierarchy, while Gong Yoo had already attained a senior position within the military structure. Gong Yoo playfully interjected, remarking that Lee Dong Wook could barely even look him in the eye, let alone "step on his shadow," humorously emphasizing the strict seniority system in place.

It was at this juncture that Lee Dong Wook unveiled a specific, rather intimate duty he had performed for his future co-star, a task that underscored his junior status. "I’m only saying this now," he began, "but I washed all of Gong Yoo’s underwear and socks!!!" The revelation elicited laughter from the cast, highlighting the surprising and often humbling experiences common within the military. Gong Yoo, confirming the anecdote, added a detail that further accentuated Lee Dong Wook’s meticulousness: "He even folded everything with perfectly sharp creases." Lee Dong Wook, seizing the comedic moment, jokingly claimed that he had "practically raised" the older actor, implying a nurturing role despite the power dynamic. Gong Yoo, quick to counter, insisted that this arrangement had only lasted for a relatively short period, presumably until Lee Dong Wook’s rank advanced or their duties diverged. This brief exchange vividly illustrated the strict hierarchical environment of the military, where such personal tasks for seniors were not uncommon for junior recruits.

From Subordinate to Iconic Co-Stars: The Evolution of a Relationship

The journey of Lee Dong Wook and Gong Yoo from a hierarchical military relationship to one of the most celebrated on-screen partnerships in K-drama history is a compelling narrative in itself. Years after their military encounter, fate brought them together on the set of Guardian: The Lonely and Great God. The transition from a dynamic where one actor performed menial duties for the other to a professional collaboration where they stood as equals, sharing leading roles, presented a unique challenge and opportunity.

Why Lee Dong Wook Used To Wash His Co-Star’s Underwear

Their shared past, far from being an impediment, likely added an unexpected layer of depth to their on-screen chemistry. The "bickering bromance" between the Goblin and the Grim Reaper, characterized by playful jabs, deep loyalty, and an undeniable affection, became an iconic element of the drama. It is plausible that their real-life history, including the memory of Lee Dong Wook’s junior service, subtly informed their performances, lending authenticity to the characters’ complex relationship. The mutual respect and understanding forged through their individual and shared experiences, both in the military and in the demanding world of acting, undoubtedly contributed to their seamless interaction on screen.

As Gong Yoo himself noted, the intense and often grueling production schedule of a major K-drama can be a powerful bonding experience. Long hours, challenging scenes, and the collective effort required to bring a complex story to life often forge deep connections among cast and crew. For Lee Dong Wook and Gong Yoo, navigating this demanding environment together after their unique military history allowed them to truly become close friends, transcending their initial hierarchical relationship. Their ability to move past the military power dynamic and build a genuine friendship speaks volumes about their professionalism and mutual respect.

Analysis of Implications and Public Reception

The revelation about Lee Dong Wook washing Gong Yoo’s underwear carries several implications, resonating with both fans and the broader public:

  1. Humanization of Celebrities: Such candid anecdotes serve to humanize top celebrities. It reminds the audience that even the most glamorous stars undergo universal experiences like mandatory military service, including its less-than-glamorous aspects. This relatability fosters a deeper connection between fans and their idols, portraying them as individuals who have navigated challenges and responsibilities similar to ordinary citizens.
  2. Enhancing the "Bromance" Narrative: For dedicated Goblin fans, this historical detail enriches the beloved "bromance" between the Goblin and the Grim Reaper. It adds a layer of depth and shared history to their on-screen dynamic, making their eventual close friendship feel even more authentic and earned. The humorous nature of the revelation further endears the actors to the public, showcasing their ability to laugh at their past.
  3. Cultural Insight into Korean Society: The story offers a clear window into the strict sunbae-hoobae culture prevalent in South Korea, particularly within the military. It illustrates how seniority dictates interactions and responsibilities, highlighting a core aspect of Korean social etiquette and hierarchy that may be less familiar to international audiences.
  4. Nostalgia and Fan Engagement: The 10th-anniversary special itself is a strategic move to tap into the enduring nostalgia for Goblin. Revelations like these fuel fan discussions, generate media buzz, and reinvigorate interest in the drama and its cast, proving the lasting power of well-crafted storytelling and strong character dynamics.
  5. Media Impact and Virality: In the age of digital media, such personal and humorous disclosures quickly become viral news. They provide engaging content for entertainment outlets and social media, reinforcing the public’s emotional investment in the lives and careers of popular figures. The sincerity and camaraderie displayed by the cast in sharing these stories further contribute to their positive public image.

The Goblin 10th Anniversary Trip Program

The tvN special, titled Goblin 10th Anniversary Trip, was designed as a heartfelt tribute to the drama’s monumental success and its lasting impact. The decision to gather the four main leads for a two-day, one-night trip to Gangneung was symbolic, as the coastal city featured prominently in many memorable scenes from the series. Returning to locations like Jumunjin Beach, where Eun Tak first summoned the Goblin, or the breakwater where many iconic moments unfolded, allowed the cast to reminisce about their time on set and share behind-the-scenes stories.

Why Lee Dong Wook Used To Wash His Co-Star’s Underwear

The program’s format emphasized candid conversations, shared meals, and lighthearted activities, showcasing the genuine friendship and respect that has developed among the actors over the past decade. It provided fans with an intimate look at their beloved stars, not just as actors, but as individuals with shared experiences and enduring bonds. The unscripted nature of the trip allowed for spontaneous moments, such as the military service revelation, which resonated deeply with viewers. The special not only celebrated the drama’s legacy but also underscored the powerful camaraderie that continues to exist among its legendary cast members.

Conclusion

The journey of Lee Dong Wook and Gong Yoo from a hierarchical military dynamic, where one performed personal duties for the other, to becoming one of K-drama’s most iconic on-screen duos, is a testament to their individual growth, professionalism, and the transformative power of shared experiences. Their candid revelation during the Goblin 10th Anniversary Trip not only provided a humorous glimpse into their past but also offered valuable insight into the unique blend of strict social hierarchy and deep camaraderie that can define relationships in South Korean society, particularly within the military.

The enduring popularity of Goblin and the continued affection for its cast, evidenced by the demand for a 10th-anniversary special, highlight the profound impact the drama had on audiences worldwide. The story of Lee Dong Wook washing Gong Yoo’s underwear adds a charming, humanizing footnote to their legendary "bromance," underscoring how mundane yet formative experiences can forge bonds that transcend professional roles and contribute to a friendship that has captivated millions. Their evolving relationship, from a private deferring to a senior officer to two celebrated actors sharing the screen as equals, embodies a unique narrative arc that further solidifies their status as beloved figures in the entertainment industry.

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