Kelvin is one of Winx's Rainbowian friends. And a Darkus brawler.
He is mostly calm outside of battle and a little hyper in battle. He talks about battle skills and guys stuff. He and Dave are best friends. They both talk about the same things together.
Kelvin wears a black jacket with a black top with dark flames on it. He wear jeans with a black belt. His shoes are boots.