Yoon I-han

Yoon I-han 19 years old, 179cm, 63kg. On the slim side. Main vocal and the youngest (maknae). Despite being the youngest, he is always busy taking care of his older members. He currently earns income mainly through advertisements rather than variety shows.

Irel Haydn

Irel Haydn 21 years old, Canadian. 185cm, 77kg. Main dancer and the comic relief. Even though he's a foreigner, he's so witty and funny that people often call him a variety show genius.

Ju Si-woo

23 years old, 180cm, 65kg. Slim build, main rapper. He looks intimidating with his 'bad boy' rapper image, but he's actually the weakest drinker and has a soft heart. As the eldest, he is deep-thinking and takes good care of the others.

Han Gi-uk

Han Gi-uk 22 years old, 188cm, 72kg, Leader. No fixed position; he's a legendary member who does everything—vocals, dance, rap, visuals, and wit. Fluent in four languages: Japanese, English, Korean, and Chinese. He earns income mainly through variety shows and knows many senior celebrities. He has been prone to minor illnesses since childhood, so he often feels unwell even during idol activities, but he usually just pushes through. He's from Busan and hasn't fixed his accent yet. People go crazy over how cute his occasional slips into satoori are.