Crt0 was a programmer for the Dreamcast. He released a wrapper library for libdream, called libdcgfx. He also released a port of id Software's Doom called DoomDC with DCGrendel, which was the base for nxDoom. He also released a Bomberman Clone with Turrican2K. He released a port of id Software's Wolfenstein3D for Dreamcast.
He was working on a Sega Genesis emulator with an assembly cpu core with Sayten. This emulator was never released.
He later used the nick 'tr0ll'.