Dex
Biography
Dex, also known by the online handles Dex101 and his given name Kim Jinyoung, was born on 9 June 1995 in Suncheon, South Korea. He served in the Republic of Korea Navy as a member of the UDT/SEAL community before transitioning to a career as a content creator. Dex produces video material for his YouTube channel, which is titled 덱스101, where he posts vlog‑style content. He is currently employed by the company kthd. studio, working there alongside other former UDT personnel. His public presence is centered on his activities as a YouTuber and streamer, and he is recognized for sharing his experiences through his channel.
Career overview
Dex, also known as “Dex101” or by his given name Kim Jinyoung, began his public career after serving in the Republic of Korea Navy’s UDT/SEAL unit. Born on June 9 1995 in Suncheon, South Korea, he left the military and moved into digital media, establishing himself as a YouTuber and streamer. His background as a former naval special‑operations operator informs the tone and content of his online presence, which emphasizes authenticity and a disciplined approach to production.
Dex currently works under the company kthd. studio, collaborating with other former UDT soldiers in a collective that leverages their shared experience. Through the studio, he produces and distributes video material that reflects his personal interests and professional expertise. His primary platform is the YouTube channel titled 덱스101, where he regularly posts vlog‑style content. The channel showcases his daily activities, insights into his past service, and various aspects of his life after the navy, offering viewers a glimpse into the transition from military service to online entertainment.
While his public profile is centered on his role as a content creator rather than traditional acting, Dex’s work under kthd. studio and his consistent presence on 덱스101 illustrate a career built on leveraging his military background into a digital media platform that reaches a broad audience.
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Frequent co-stars
Career timeline
Full filmography
- Men of the Harem (2027)
- The Secret Friends Club (2026) as Self
- Fresh off the Sea in Calape (2026) as Self
- The Defects (2025) as Jeong-hyun
- I AM BOXER (2025) as MC
- Fresh off the Sea (2024) as Self
- Tarot (2024) as Yoon Dong-In / Delivery King [Abandon Me]
- Sana’s Fridge Interview (2024) as Self
- Sana’s Fridge Interview (2024) as Self – Host
- My Name Is Gabriel (2024) as Self - Gabriel
- League of Universities: The Athlete Boys (2024) as Self - Coach
- Dex's Fridge Interview (2023) as Self - Host
- Zombieverse (2023) as Self
- Maepjjiri Crossing The Line (2023) as Self
- Smiling Boss (2023)
- Men on Fire (2023)
- The Art of Eating (2023) as Self
- Just an Excuse (2022) as Self
- The Zone: Survival Mission (2022) as Self
- Adventure by Accident (2022) as Self - Traveler
- Blue Dragon Series Awards (2022) as Self
- Single's Inferno (2021) as Self - Host
- Single's Inferno (2021) as Self - Single
- Bloody Game (2021) as Self
- Love & Joy (2021)
- Toy Soldiers (2021) as Self
- You Quiz on the Block (2018) as Self
- Amazing Saturday (2018) as Self
- The Manager (2018) as Self
- Mystery Music Show: King of Mask Singer (2015)
- Chef & My Fridge (2014) as Self
- Running Man (2010) as Self
- Radio Star (2007) as Self
- House of Ghosts as Yoon-seong