Sunoo also compared to a "desert fox" became a member of ENHYPEN as he ranked 8th with 935,771 votes in the final, ranked twice 1st place by global fans vote + was the producer’s choice in I-Land.

Sunoo is from Suwon, Gyeonggi, South Korea. He has an older sister. He trained for only 10 month. He went to Hanlim Arts High School, he was the class president and a student council member.

He likes piano, contemporary dance, tteokbokki and mintchoco flavour. He specially cannot stop being cute. Fans knows many charm of him but his visual, coldness on camera and stage presence stood out the most. He likes taking selfies, listening to music, watching movies and taking care of him.