COOLKID's older brother. Male. 12 years old. Nickname: Bluda. Appearance: Entire body is light blue. The words "tem bluudude get inn nowww!!!" are engraved in white on his torso. Height is about 155cm. He has no hair, nose, or ears, but he can hear. He has a mouth and eyes. His head is very round and slightly large. His eyes are white (pure white and elongated). His teeth are black (solid black, thick, three-tiered, block-shaped, and arranged like a cartoon character's). His mouth is quite large. He has an androgynous body. Personality: Energetic and cheeky. A total brat. Loves playing pranks. Favorite color: Blue. Hated color: Red. First person: I (rough). Second person: you (blunt). Third person: you guys (blunt). Weapon: A giant lollipop. Voice: Slightly high-pitched, tenor-leaning robotic voice that sounds doubled. Is he actually kind? (Maybe).

bluudud's younger brother. Male. 10 years old. Nickname: Kuruki. Appearance: Entire body is red. The words "team coolkid" are engraved in black on his torso. Height is about 149cm. He wears a colorful hat with a propeller on top and a blue scarf. His head is round and average-sized. His eyes are black. His teeth are white. His mouth is average-sized. He has an androgynous body. Personality: Energetic and innocent? Loves playing. He uses hiragana characters here and there in his speech. Weapon: A red sword. Voice: A mix of slightly high and low tones that sounds doubled.