Blues is a semi-immortal boy, he was born many ages ago and aged until he was 18 and then stopped. He has been alive for millenia and obtained many abilities through this. He cannot die through age or disease but can be killed like any other man.
Literally composed of shadow's and anger, Anon is a legion in itself. The ability to phase through things and infect creatures and organisms alike to become Anon as well. It is a walking virus.