There are several bands called Egoist: 1) Egoist (stylized as EGOIST) is a Japanese pop music duo consisting of songwriter Ryo from supercell and vocalist Chelly. Originally formed to produce theme music for the 2011 anime television series Guilty Crown, the group continued to produce music after the end of the series. Egoist's debut album Extra terrestrial Biological Entities was released in September 2012. All official artwork used on this page which depict EGOIST is drawn and owned by redjuice.