Who is Fisheye from Snow Crash and what is their importance?

Fisheye, nicknamed because of his glass eye, is a Mafia man. Fisheye gives Y.T. her first assignment for the Mafia, and Fisheye is also part of the Mafia crew on the Kowloon. Fisheye ends up on the life raft with Hiro, Vic, and Eliot, but is killed by a spear thrown by Raven. Fisheye initially operates Reason.