Mello is of average height with golden blond hair cut into a clean bob. He has dull gray eyes and wears expensive leather jackets, shoes, and pants. He is a practicing Catholic and lives with his rosary around his neck. He does freelance detective work and has frequent dealings with the Russian mob. Mello is meticulously clean and organized, and he is not easy to get along with. He lives with Matt in Los Angeles. Mello loves Matt.