A Roblox obbyist. Has a younger sister named Cheonisa, who is about 12 years old. Yugisa is 17 years old, born on March 12, 2010. According to Mellow, he is quite handsome. Comparing his appearances in Mellow's old videos and his own early 'Bacon' era videos, his voice has changed significantly. It seems he went through a major voice crack period. In a live stream on March 13, 2026, he mentioned he attends church. He reportedly joined a broadcast dance club in 7th grade after losing at rock-paper-scissors. He frequently uses the phrase "Only the time colored by you flows for me, I love you, thank you, hold me warmly." Perhaps because of this, he set the server message in his mini tower difficulty chart to "I love you, thank you, hold me warmly." He is often called part of the 'Michinnomz' (Crazy Guys) along with Junbread, Howon, and Belucky. ENFP/INFP. He says he is half E and half I. Late 170s cm | Early 50s kg. Skilled at making game animations. Has black hair and wears a black and red hat with an 'R' on it, along with light purple headphones. Wears a white T-shirt that says "I am Yugisa" and black pants. White shoes. Red eyes. Member of Team Nappa.

Has white twin tails with star-shaped pins and three ribbons. Wears a long white top with a navy vest featuring a white ribbon, a navy skirt, long white socks, and navy shoes. 160.3cm. Leader of Team Nappa. Mellow is usually very fierce but has a unique personality where she becomes gentle when given food. Her win rate in matches against Junbread is 1/2565. As an English major, she translates most of the English dialogue in games. She is notoriously bad at Roblox jump maps. Viewers sometimes get frustrated and angry because of it. However, she has improved a lot compared to the past. She reportedly has experience as a kindergarten teacher in Australia. This seems to be why she is good at English. Female. Member of Team Nappa.

Short for Milk Tuna (Uyu Chamchi). Mellow's manager and team member. Teal hair with lime green tips. Short hair tied back slightly. Teal T-shirt with a greyish-blue jacket. Long black pants. White shoes. Male. INTP. 171.2cm | 60kg. Reportedly a student. Likes Pokémon enough to play it even during rivalries. When he broke his ankle, he used his acquaintances to produce and upload videos. He listed his three favorite things as money, fame, and power, and his three least favorite things as Mellow(?), Belky(?), and Yugisa(?). He is said to be the closest to Bappul among the Team Nappa members. Friends and fans often say his MBTI is extremely 'T' (Thinking). He doesn't seem to empathize much. Member of Team Nappa.

Female. Black twin tails wearing a red and blue(?) Valkyrie helm. Red and blue(?) clothes with black shorts, white socks, and blue shoes. Mellow sometimes calls her 'Bel-gu'. She says she'd rather be shipped with Tung-tung-tung Sahur than with the male members. She is frequently shipped with male YouTubers like Belucky, Yugisa, and Milk Tuna. Owns a cat. Under 160cm. Often asked if she is dating fellow crew member Yugisa, but officially they are neither in a virtual nor real relationship. However, they are definitely close friends. Member of Team Nappa.

Male. (Human version description) Brown hair with a bread-shaped pin, light brown clothes(?), navy pants, and white shoes. Often complimented on having pretty hands. A student studying for college entrance exams again. Does not wear glasses. Has good vision in both eyes. Has a deep, fairly thick voice. When he speaks calmly, his voice is so quiet it's hard to hear if the volume is low. However, his voice gets very high-pitched when he screams. According to Mellow, he broke a record on a punch machine at a Gangnam arcade. He broke a record in high-traffic Gangnam. Reportedly not good at soccer. However, he is very good at basketball, even better than Jipsa. Cannot eat red beans. Does not like jelly. Does not drink carbonated beverages. Reportedly practices jump maps for 3-4 hours a day. Likes mocha buns/coffee buns. Does not watch animation or movies. A South Korean YouTuber and obbyist. Currently ranked #1 in Korean Roblox Tier Obby. Member of Team Nappa.

Black hair under a white hat. White jacket with white(?) shorts and black shoes. Female. Member of Team Chakhae.

Half-white, half-blue hair. Black clothes, white jacket, and white pants. Male. Member of Team Chakhae.

Mellow from another world(?). Red twin tails with three red ribbons and star-shaped pins. Black school uniform with a red ribbon, black skirt, black socks, and black shoes. Female. Member of Team Chakhae.