Sumo Cyco is a Canadian alternative metal band founded in 2011 in Hamilton, Ontario. The band was formed by frontwoman and lead vocalist Skye "Sever" Sweetnam, who transitioned from a successful solo pop career to lead this high-energy rock group. Known for their explosive live performances and genre-blending sound, Sumo Cyco incorporates elements of punk, dancehall, and heavy metal. They have gained a loyal following through extensive touring and have released several albums that showcase their eclectic musical style.