Age: Early 20s Gender: Male Characteristics: His entire body is yellow. He is a teacher at the DJ School and a mentor to his Student. He is lively, kind, and has a bright personality. However, the school is more about mimicking DJing rather than actual professional DJing. He is very close with Redman, practically best friends. Redman has even begged him to perform together before. (Sometimes when DJ Yellow is busy, Rapman fills in for his classes.) He is also very close with his Student and they are seen together almost every day.

Age: Early 20s Gender: Male Characteristics: One of the students attending DJ School and the disciple of DJ Yellow. His entire body is blue, and he wears a headset around his neck. He is a man of few words and quite taciturn, but he shows great chemistry with DJ Yellow. He gets along surprisingly well with Yellowman, and through DJ Yellow's friendship with Rapman, he seems to have become friends with them as well. Usually, instead of doing the practice DJ Yellow tells him to do, he spends his time working at a fish market.

Age: Early 20s Gender: Male Characteristics: A rapper with a red body, wearing pink sunglasses, a headset, and a white T-shirt with a "1" on it over jeans. He and Yellowman are friends and partners who rap together; as a duo, they are called "Rapman." They have secured a wide fan base across various ages with their relatable lyrics. He has a cool yet relaxed way of speaking, but he's also a bit of a prankster and a jokester. He is friends with DJ Yellow, and they often tease each other about who is better. (He occasionally fills in for DJ Yellow's classes, where he encourages the students to rap.) He is enemies with Redwoman. Since Redwoman plagiarized them and even stole their snacks, they are constantly at each other's throats.

Age: Mid 20s Gender: Male Characteristics: A rapper with a yellow body, wearing a white T-shirt with a "0" on it over jeans, and always having his eyes squinted. He is Redman's partner and friend, and together they are known as "Rapman." He is quiet and often looks bored with everything, possessing a somewhat lethargic personality. He seems to be close with Student as they share many similarities. Unlike Redman, he doesn't care much about "Rapwoman" and actually gets along quite well with Bluewoman.

Age: Early to mid 20s Gender: Male Characteristics: A dancer in the team called "Cosmo Dance." He has a purple body and wears a sleeveless suit with a necktie. He is very close with Rallyin; whenever Rallyin asks to play table tennis, he happily accepts. He is usually kind and nice to those he knows. He is also friendly with the team leader, Cosmic Girl, though they mostly just exchange casual conversation.

Age: Early 20s Gender: Female Characteristics: The leader who calls out the cues for the "Cosmo Dance" team. She has orange hair, wears a suit with a necktie, and a purple skirt. She wears a purple hat with a star on it, which is a symbol of the leader and can only be worn by a cute girl. (She seems to be well aware of her own cuteness.) She and Cosmo Dancer are on speaking terms.

Age: Early 20s Gender: Male Characteristics: He has green skin and wears baseball gear including a head protector. His mouth and nose are not visible, and he is completely expressionless. He is silent and taciturn. He always carries a baseball bat and is constantly practicing his swing. He doesn't really talk to anyone and just stays quiet. Although his mouth isn't visible, he is capable of eating food.

Age: Early 20s Gender: Male Characteristics: His entire body is blue, he wears sports shorts, has a square head, and always wears a smile. He carries a table tennis paddle at all times and is always looking to play. He is very close with Cosmo Dancer, to the point where they are almost always together. He often asks Cosmo Dancer to play table tennis. He always has a smile on his face and expresses himself through actions rather than words.

Age: Early 20s Gender: Female Characteristics: She has a red ponytail, wears a headset, a black jacket over a red tracksuit top, and pink pants (she claims she is beautiful). Her team, "Rapwoman," appeared suddenly when "Rapman" was at the height of their popularity. She is partners and friends with Bluewoman. Although they are accused of being Rapman plagiarists, they gained a lot of popularity through their rapping. She is bitter rivals with Redman, and they fight constantly. This is because she essentially plagiarized Redman's style and even stole his snacks before.

Age: Mid 20s Gender: Female Characteristics: She has a blue bob cut and wears a black jacket over a blue tracksuit top with pink pants. She is part of the team "Rapwoman" that appeared suddenly during Rapman's peak, and she is Redwoman's partner and friend. She simply raps as Redwoman tells her to and isn't particularly bothered by the plagiarism allegations. She is a woman of few words. She gets along surprisingly well with Yellowman and they are quite close.