He will play the role of a superstar named Choi Jeong-sang. On October 28, 2021, Rocky is announced as part of G-Market's mystery romance thriller web drama called Find Me If You Can. Rocky will play a modern version of Lee Mongryong. On October 14, 2021, Fantagio confirmed that Rocky was cast in the web drama Hyangjeon of Youth, based on the South Korean classic literature ' The Story of Chunhyang'. Rocky was credited as a composer for "7Days Tension", a promotional single by the girl group Weeekly which was released on May 28, 2021, for the eyewear brand Davich. Rocky participated from raw video footage collection to post-production of the aforementioned music video. On May 23, 2021, Rocky's self-produced music video for Our Spring was released. Rocky appeared as a competitor named "Undutiful Child Cries" in MBC King of Mask Singer on its 305th and 306th episode which aired on May 2 and May 9, 2021, respectively.
On April 5, 2021, his composition entitled "Our Spring" was released as a track in their second full studio album " All Yours".
On September 29, 2020, Rocky's first OST entitled "Shiny Blue" was released for the web series Dok Go Bin Is Updating. The show promotes the Hallyu wave to China-wide market. On June 24, 2020, Rocky was announced to be the solo MC for the Chinese Korean Wave Program Idol Coming to Work ( Chinese: 爱 豆 上班 啦). Rocky was also one of the composers for the group's special single "No I don’t" which was released in June 2020. In 2019, Rocky self-composed one of the tracks from Astro's sixth EP, Blue Flame, titled "When the Wind Blows".
It was included in the DVD of the concert which was released in June 2019. ĭuring 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". "STAR" was later included in the FM201.8-11Hz which was released on December 13, 2018. On November 30, 2018, Fantagio Music released the digital single "STAR" which is a collaboration between Rocky and singer-songwriter Chawoo. 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. Rocky received praise from the judges, noting his expressions and movements as perfect portrayal of the character. On August 24, 2016, Rocky appeared in an episode of Mnet's Hit the Stage where portrayed The Mask. Rocky debuted as part of the six-member boy group Astro on February 23, 2016, as a dancer and rapper of the group. 2016–present: Debut with Astro and solo activities īefore their debut, Rocky along with the other 5 members of Astro starred in a web-series To Be Continued. Rocky was the first trainee who has been introduced into i-Teen project, Lotte World Rising Start Concert. Rocky had been a contestant of Korea's Got Talent in 2011. In the same year, he became trainee under Fantagio Music. In 2010 in the fifth grade of elementary school, Rocky participated in the audition for the musical Billy Elliot.
He attended and graduated from Hanlim Multi Art School with a focus on Practical Music. Rocky was born on February 25, 1999, in Jinju, South Gyeongsang Province, South Korea.