CyRUS64 was a Dreamcast developer. He was one of the leaders of B00B! Dreamcast Research and he did the majority of news posts there from late 2000 until late 2003.
He released a GameBoy emulator in 2000, Boob!boy, and he was an active member in the Xbox scene. He was also working on a Dreamcast emulator for the PC, Icarus, which got never released and contributed a lot to StrmnNrmn's N64 emulator Daedalus.
He somehow disapeared in late 2003.