Koo Bon Hyuk

Name: Koo Bon Hyuk
Native name: 구본혁
Also Known as: Koo Bonhyuk, Gu Bon Hyeok, Gu Bonhyeok
Nationality: South Korean
Gender: Male
Born: April 17, 2000
Age: 26

Koo Bon Hyuk, known simply as Hyuk, is a South Korean singer, dancer, and former member of TEMPEST (템페스트). He graduated from Neulpureun High School.

Before debuting, he had a brief traineeship at DSP Media during that time where he met future fellow groupmate Hwarang, who was also a trainee at the same company.

He then joined YH Entertainment (YH엔터테인먼트) and made his debut in March 2022 as TEMPEST's main vocalist with the mini-album "It's Me, It's We". They debuted in Japan in April 2024 with the mini-album "Bang!".

In October 2026, TEMPEST's agency, YH Entertainment, announced the group's disbandment along with the news that he would be enlisting for his mandatory military service.

He enlisted in the military on October 26, 2026.

(Source: kisskh) Edit Biography

Year	Title	#	Role	Rating
2025	2025 Idol Star Athletics Championships Korean TV Show, 2025, 3 eps (Regular Member)	3	Regular Member	7.6
2024	Road to Kingdom: Ace of Ace Korean TV Show, 2024, 8 eps [Contestant] (Regular Member)	8	[Contestant] Regular Member	7.6
2023	Gag Concert Season 2 Korean TV Show, 2023, 150 eps (Ep. 1067) (Guest)	150	(Ep. 1067) Guest	0.0
2023	Idol Workshop: Tempest 2 Korean TV Show, 2023, 5 eps (Regular Member)	5	Regular Member	8.1
2022	2022 MBC Music Festival: With Love Korean TV Show, 2022, 1 eps [Performer] (Regular Member)	1	[Performer] Regular Member	8.0
2022	2022 SBS Gayo Daejeon: Shoutout Korean TV Show, 2022, 1 eps [Performer] (Regular Member)	1	[Performer] Regular Member	8.1
2022	Idol League Season 4 Korean TV Show, 2022, 10 eps (Ep. 4) (Guest)	10	(Ep. 4) Guest	0.0
2022	Idol Workshop: Tempest Korean TV Show, 2022, 5 eps (Regular Member)	5	Regular Member	7.8
2022	Music Universe K-909 Korean TV Show, 2022, 21 eps (Ep. 2) (Guest)	21	(Ep. 2) Guest	7.9
2022	2022 Idol Star Athletics Championships Chuseok Special Korean TV Show, 2022, 3 eps (Regular Member)	3	Regular Member	7.7
2022	Show! Music Core Coin Karaoke Korean TV Show, 2022, 45 eps (Ep. 42) (Guest)	45	(Ep. 42) Guest	8.3
2022	Max Chang Min's Free Hug Season 2 Korean TV Show, 2022, 10 eps (Ep. 4) (Guest)	10	(Ep. 4) Guest	8.1
2022	Jaechan's Dream Korean TV Show, 2022, 193 eps (Ep. 33) (Guest)	193	(Ep. 33) Guest	8.4
2022	Secret Airlines Korean TV Show, 2022, 21 eps (Ep. 9) (Guest)	21	(Ep. 9) Guest	0.0
2022	Adola School Season 3: PR on Idol Korean TV Show, 2022, 38 eps (Ep. 25) (Guest)	38	(Ep. 25) Guest	8.1
2022	Lee Mu Jin Service Korean TV Show, 2022, 250 eps (Ep. 119) (Guest)	250	(Ep. 119) Guest	8.3
2015	King of Mask Singer Korean TV Show, 2015, 525 eps [Contestant] (Ep. 444) (Guest)	525	[Contestant] (Ep. 444) Guest	8.0
2013	After School Club Korean TV Show, 2013, 671 eps (Ep. 514, 551, 594) (Guest)	671	(Ep. 514, 551, 594) Guest	7.8
2011	Weekly Idol Korean TV Show, 2011, 707 eps (Ep. 590, 654) (Guest)	707	(Ep. 590, 654) Guest	8.1
2011	Immortal Songs: Singing the Legend Korean TV Show, 2011, 800 eps (Ep. 589, 655) (Guest)	800	(Ep. 589, 655) Guest	8.2

Kim Soo Hyun's agency shares update on legal proceedings involving individuals related to Kim Sae Ron case

Celebrity - Oct 26, 2026

Kim Soo Hyun’s agency, GOLDMEDALIST, has shared an update on legal proceedings, revealing that several individuals linked to the late Kim Sae Ron case have been referred to the prosecution on various charges. Read for more details

Tian Xi Wei and Song Wei Long reportedly to star in new Tang Dynasty C-drama

News - Oct 27, 2026

Tian Xi Wei and Song Wei Long are reportedly set to lead a new costume romance drama set during the Tang Dynasty

'Where the Mask Ends': 5 reasons to get obsessed with Tian Xi Wei's new Chinese drama

Editorials - Oct 22, 2026

From its morally complex female characters to its striking visual aesthetics, the C-drama offers plenty to savor beyond its twists and turns. Here are five reasons why 'Where the Mask Ends' deserves a spot on your watchlist

Yim Si Wan & Seorina star in ‘Love in Disguise’, a K-Drama Where a Crossdressing Detective Goes Undercover as Her Rich Murder Suspect's Bodyguard!

Editorials - Oct 19, 2026

Prime Video's 'Love in Disguise' follows detective Kang Jae-hee as she disguises herself as a male bodyguard to investigate a wealthy heir in a murder case!