The South Korean band, Astro counts among the numerous K-pop groups that sprang up in 2016. With their debut single, “Hide & Seek” from their first extended play, Spring Up, the six-member band soon became one of the best new South Korean bands at the time, per Billboard. Other popular songs and albums to the band’s credit include All Light, Autumn Story, and Dream Part.01. Meanwhile, how much do you know about the Astro’s members? Here, we bring you the detailed and updated profiles of all Astro members, plus other interesting facts about the music group.

Astro Members Profile

Jin Jin

JinJin is the leader of Astro. He serves as the lead dancer and main rapper of the group. He was born as Park Jin-Woo on the 15th day of March 1996 in Ilsan, Gyeonggi-do, South Korea. Prior to joining Fantagio, JinJin attended Hanlim Multi Arts High School and the NY Dance Academy in Ilsan. He loves playing the drums and would love to become a drummer should he not be singing. JinJin goes by the nickname, Angelic Smile.


MJ is the main vocalist of the Astro band. He was born as Kim Myung Jun on 5th March 1994 in Suwon, Gyeonggi Province, South Korea. MJ is passionate about drawing and would have become an architect if not for the enormous academic work that was involved in the profession. He is nicknamed Happy Virus or Smile Engine.

Cha Eun-woo

Cha Eunwoo serves as a vocalist on Astro. He is also the group’s visual and is nicknamed Face Genius owing to his good looks. Together with Sanha, Eunwoo is the tallest member of the band with a height of 6 feet. He was born as Lee dong Min on 30th March 1997 in Gunpo, Gyeonggi Province of South Korea. Before debuting with Astro, Eunwoo attended the Suri Middle and High Schools, and Hanlim Multi Art School. He started studying acting at the Sungkyunkwan University in 2015. In addition to singing, Eunwoo can play the guitar, piano, violin, and flute.


Moonbin is Astro’s main dancer and lead vocalist. He was born Moon Bin in Cheongju, South Korea on 6th January 1998. As a child, Moonbin worked as an actor, model, and ulzzang. In addition to vocals, he acts, plays the piano, dances, and does water sports.


Rocky is a lead rapper, main dancer and vocalist. He was born in Jinju, South Gyeongsang Province of South Korea on 25th February 1999. Rocky’s real name is Park Min Hyuk. Aside from music, Rocky has skills in cooking and taekwondo. While his skills in cooking earned him the nickname, “Chef Minhyuk”, his exceptional dancing prowess earned him the title, “dancing machine”.


Sanha is a vocalist on Astro. Born as Yoon San-ha in Seoul, South Korea on 21st March 2000, he is the band’s youngest member (maknae). Alongside Eunwoo, he is also the tallest band member, standing at 6 feet. In addition to singing, Sanha plays the guitar. He attended A-Sound Music Academy before joining Fantagio in December 2012.

Info & Trivia About Astro

1. Astro was formed by Fantagio, one of the entertainment companies in South Korea in August 2015.

2. Before their debut, Astro members trained under Fantagio’s beginner’s talent development program called Fantagio iTeen. At the time, they were called “iTeen Boys”.

3. Prior to their official debut, Astro members featured as themselves in To Be Continued, a web drama series. They also starred in Astro OK! Ready, their own reality TV show in January 2016.

4. The group released their official debut EP, Spring Up on the 23rd of February, 2016 and it peaked at #6 on US Billboard World Album Chart within a week.

5. Astro’s fan club name is “Aroha” which they say is the short for Astro Hearts All Fans. While ‘Aro’ is taken from Astro, ‘Ha’ is taken from Hana, a Korean word that means one. Their official fan colors are plum and violet.

6. Astro was the only Korean band invited to the LeTV Entertainment Awards held in China in March 2016. The group also performed at the year’s KCON held at LA’s Staples Centre in July.

7. The group tagged her first tour “The 1st Astroad” which they embarked on from 15th July to 29th August 2017 in Tokyo, Osaka, and Seoul.

8. Among other weird beauty substances and cleansing routines, Astro’s Rocky uses contact solution while Sanha applies vinegar on the face to get the perfect “Korean pretty boy” glass-smooth looks!

9. The band’s name, “Astro” is a Spanish word which means star and it reflects in the group’s official logo.

10. As of 2019, the South Korean band has released 1 studio album, 8 EPs, 8 singles, and has no less than 5 awards to their credit.

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