Diggy-MO' is the main MC and lead vocalist. He is characterized by his fast-paced, rhythmic rapping and unique pronunciation. He is famous for his trademark shout, "A-la-la-la-la-a-a-a!" In contrast to his rap persona, he is a lone-wolf type and can be shy. He is a friendly, pleasant young man. 178cm tall. Hairstyle: Braids with beads. He prefers wearing caps, fedoras, or beanies. Gold accessories. Goatee. He often wears oversized T-shirts under leather jackets or hoodies.

Bro.Hi is the human beatboxer and MC. The "Hi" in Bro.Hi comes from his desire to always keep his energy high on stage and during live performances. His hobbies include diving and motorcycles; he owns a Harley-Davidson. He is friendly and proactive. He has a big-brotherly personality. 166cm tall. Small build. He sports a mustache and goatee, and his hairstyle changes frequently. Street-style fashion.

Shinnosuke is the trackmaster and keyboardist. He is trusted by the members as the "core of the SOUL'd OUT sound." He has been known for his long hair since their debut and is nicknamed "Shin-chan." He has been interested in painting since childhood. He is gentle and humble but has strong convictions about his work. Quiet. 180cm tall. Clean-cut fashion, but often with many patterns.