Martin

Martin's full name is Martin Jonathan Edwards, and his Korean name is Park Woo-joo (박우주). He was born in Songpa-gu, Seoul, to a Canadian father and a Korean mother. Source: KProfiles

As a child, Martin lived in Ottawa, Canada, for about a year and a half before returning to South Korea prior to entering the fifth grade. Source: NamuWiki

Martin has an older sister, born in 2001, a fact he shared during the CORTIS documentary What We Want Ep. 01. Source: KProfiles

Before becoming a trainee, Martin sang with the Rainbow Choir, Korea's first choir made up of children from multicultural families. The choir performed at the opening ceremony of the 2018 PyeongChang Winter Olympics, where Martin also served as Iceland's flag bearer. Source: NamuWiki

Martin joined BIGHIT Music around 2019–2020, giving him approximately six years of training before debuting with CORTIS. Source: KProfiles

Even before making his own debut, Martin built an impressive résumé as a songwriter and producer, earning credits on songs including TXT's "Deja Vu" and "Miracle," ILLIT's "Magnetic," LE SSERAFIM's "Pierrot," and ENHYPEN's "Outside." Source: Kpop Fandom Wiki

His well-known nicknames include Groot, Demon King, and "HYBE's 3M Ghost." Source: KProfiles

Standing at 193.4 cm (6'4"), Martin is the tallest member of CORTIS by a significant margin. According to fan discussions, he had reportedly already grown to 182 cm by the age of 14. Source: KProfiles

Martin is left-handed and prefers using wired earphones instead of wireless ones. Source: KProfiles

He describes himself as a dog person, with the Italian Greyhound being his favorite breed. His representative emoji is fittingly a dog (🐶). Source: KProfiles

Martin personally recorded the demo version of "What You Want," reportedly delivering the vocal perfectly on his very first take. Source: Kpopsingers

In addition to singing and producing, Martin can play both the synthesizer and drums. He also participated in choreographing CORTIS's "GO!" alongside his production work on the group's debut EP. Source: Starvia

His audition song for BIGHIT Music was Justin Bieber's "Baby." Source: NamuWiki

According to fellow member Seonghyeon, Martin is the loudest member of CORTIS, while Juhoon revealed that he's also the fastest eater in the group. Source: KProfiles

Martin describes himself in one word as "mischievous." He has also shared that spending part of his training period in Los Angeles greatly expanded his musical tastes, especially his appreciation for rock music. Source: Kpopsingers