Lee Jin Woo is a South Korean singer, dancer, former member of TEEN TEEN (틴틴) and current member of GHOST9 (고스트나인). He graduated from Hanlim Arts High School and is enrolled in the Theater program at Dongguk University. He made his debut in September 2019 as TEEN TEEN's main rapper, main dancer, vocalist and maknae with their first mini-album, "Very, On Top". Maroo Corp. (마루기획) formed the trio with trainees who participated in "Produce X 101" as a pre-debut project unit of their main group who was scheduled to debut the following year. They effectively disbanded when Lee Tae Seung left the company in September 2021. He re-debuted in September 2020 as GHOST9's lead dancer, sub-vocalist and maknae with their first EP, "Pre Episode 1: Door", and is also managed by Maroo. (Source: MyDramaList)