Pop singer who became referred to as a member from the Southern Korean guy group, Pentagon shaped by Cube Entertainment. They increased to prominence because of their self-titled debut mini record Pentagon, including, especially their strike “Gorilla.” He and his bandmates had been formed with the Mnet success show Pentagon Machine in 2016. His group’s record Pentagon peaked at amount seven over the Gaon Record Chart. He was created Yeo Chang-gu, but is way better known by his stage name Yeo One. He and Ko-Shin-won had been both members from the hit boy music group Pentagon.