Park Min-hyuk (Korean: 박민혁; born February 25, 1999), known professionally as Rocky (라키), is a South Korean rapper, singer-songwriter, actor and entrepreneur. He is a former member of the South Korean boy group Astro and its sub-unit Jinjin & Rocky. In 2023, he established and became the CEO of his own agency, Wonijin Entertainment, and debuted as a solo artist with the extended play (EP) Rockyst. Park made his acting debut in the web series To Be Continued (2015) and later gained recognition for his role in Broke Rookie Star (2022), for which he received multiple awards. He also starred in the Korean adaptation of the musical The Three Musketeers (2022).
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Early life and education
Rocky was born on February 25, 1999, in Jinju, South Gyeongsang Province, South Korea. He attended and graduated from Hanlim Multi Art School with a focus on Practical Music.
He has a younger brother, Jeonggeun, who is a member of the boy group Haww under Biscuit Entertainment.
Career
2010–2015: Pre-debut activities
In 2010, in the fifth grade of elementary school, Rocky participated in the audition for the musical Billy Elliot. In the same year, he became a trainee under Fantagio Music.
Rocky was a contestant on Korea's Got Talent in 2011. He was the first trainee introduced in Fantagio's i-Teen project, performing at the Lotte World Rising Star Concert. Before their debut, Rocky along with the other five members of Astro starred in the web series To Be Continued.
2016–2018: Debut with Astro and early solo activities
Rocky debuted as part of the six-member boy group Astro on February 23, 2016, as a dancer and rapper of the group. On August 24, 2016, Rocky appeared in an episode of Mnet's Hit the Stage where he portrayed The Mask. Rocky received praise from the judges, noting his expressions and movements as a perfect portrayal of the character.
On November 5, 2018, after four rounds of battle in 1theK's Dance War, Rocky was revealed to be Purple23 and placed second in the dance battle competition. On November 30, 2018, Fantagio Music released the digital single "STAR" which is a collaboration between Rocky and singer-songwriter Chawoo. "STAR" was later included in the FM201.8-11Hz which was released on December 13, 2018.
During Astro's second Astroad to Seoul "Starlight" concert which was held on December 22–23, 2018, Rocky performed his first solo song "Have a Good Day". It was included in the DVD of the concert which was released in June 2019.
2019–2021: Solo activities and acting debut
In 2019, Rocky self-composed one of the tracks from Astro's sixth EP, Blue Flame, titled "When the Wind Blows".
Rocky was also one of the composers for the group's special single "No I don’t" which was released in June 2020. On June 24, 2020, Rocky was announced to be the solo MC for the Chinese Korean Wave Program Idol Coming to Work. On September 29, 2020, Rocky's first OST entitled "Shiny Blue" was released for the web series Dok Go Bin Is Updating.
On April 5, 2021, his composition entitled "Our Spring" was released as a track in Astro's second full studio album — All Yours. On May 23, 2021, Rocky's self-produced music video for "Our Spring" was released. Rocky was credited as a lyricist and composer for "7Days Tension" by the girl group Weeekly.
In October 2021, Rocky began his acting career with roles in the web dramas Hyangjeon of Youth (as a modern Lee Mongryong) and Find Me If You Can. On December 27, 2021, it was confirmed that Rocky and Jinjin would debut as Astro's second sub-unit Jinjin & Rocky in January 2022.
2022–2023: Jinjin & Rocky sub-unit, acting and departure from Astro
On January 17, Rocky debuted as part of the duo Jinjin & Rocky with the EP Restore. On March 28, it was reported that Rocky would sing the national anthem for the opening games of the 22nd Season of the KBO League happening on April 2, 2022, at the Changwon NC Park.
On May 16, Rocky's solo ballad song "S#1" was released as part of Astro's third full studio album — Drive to the Starry Road. Rocky's second OST entitled "Over That" was released for the web drama Broke Rookie Star in which he also starred as "Whee-yeon", a solo singer who joined a rising idol group called X-PIERS. On May 29, G-Market released a teaser for its new web series called X: SSG where Rocky played the role of "Woo-ju" together with his bandmate Jinjin, Monsta X Hyungwon, Minhyuk, Joohoney, AB6IX Daehwi, Jeon Woong, and Apink Yoon Bo-mi. The web series was released on G-Market's YouTube Channel on June 5, 2022. Rocky played the role of D'Artagnan in the Korean remake of the musical The Three Musketeers. The show's run started on September 16, 2022, at the Universal Art Center in Seoul.
On August 20, Rocky won his first Best Actor award for the web series Broke Rookie Star in the international web festival Seoul Webfest 2022. On November 6, Rocky won his second Best Actor award for the same web series at the LA Webfest 2022, the largest film festival for web dramas in the world. Broke Rookie Star also won Best Web Series of All Genres award. According to the executive chairman of the festival organization committee, this is the first time for a Korean web series to bag the grand prize at the film festival since its launch in 2009. On December 30, 2022, Rocky won his third Best Actor award at the 6th Asia Web Awards 2022 for his lead role in Broke Rookie Star.
Rocky participated in writing, composing, and choreographing his brother's band's debut song called "Wanna Be Love", which was released on February 23, 2023.
On February 28, 2023, Fantagio confirmed that Rocky decided not to renew his contract and left both the agency and the group. On October 26, Rocky reportedly set up his own agency called One Fine Day Entertainment in August.
2023–present: Solo career under Wonijin Entertainment
On November 22, Rocky released his debut extended play Rockyst alongside its lead single "Lucky Rocky".
On June 14, 2024, it was announced that Rocky will release his second EP Blank on June 27, 2024. On June 18, Rocky released a promotion scheduler for the album. On June 27, Rocky released his second extended play Blank alongside its lead single "Jealousy". On November 22, Rocky released the digital single "On My Mind" to celebrate the first anniversary of his solo debut.
On March 18, 2025, Rocky released the digital single "Ba Ba Bye", a sweet mid-tempo R&B song for which he participated in writing the lyrics and composing the music.
In April 2026, Rocky was appointed general director of Stage OnK, a global K-pop talent development platform operated by KBS Sports World and PH E&M. In this role, he leads educational initiatives and serves as lead instructor for international students.
In June 2026, Rocky performed in Italy for the first time as a guest artist at the Gardaland K-Pop Festival. In an interview with Vanity Fair Italia, he reflected on the challenges of his solo career, explaining that assuming full responsibility for every decision — from music production and concepts to strategic direction — has been the biggest challenge. He stated that although he initially felt fear, he has never regretted the decision and is proud of being able to define his own style and message more clearly. He described Rockyst as the album in which he first presented his true self and pure artistic energy without any externally imposed image. Rocky also expressed his desire to collaborate with Bruno Mars and noted that dance remains his greatest comfort zone, while songwriting is the area where he still feels most vulnerable.
Personal life
On October 31, 2022, the agency confirmed that Rocky is in a relationship with actress Park Bo-yeon. However, Park's agency dismissed the rumors as false earlier the same day, saying, "We confirmed with actor Park that the two are good colleagues ever since working together on Find Me if You Can last year."
Discography
Composition credits
All credits are listed under the Korea Music Copyright Association unless otherwise stated.