What is Billy Coen's surname in Resident Evil 0?

Billy Coen's surname in Resident Evil 0 is Coen.

Billy Coen is a former U.S. Marine who becomes one of the two playable protagonists in Resident Evil 0. He encounters S.T.A.R.S. medic Rebecca Chambers aboard the Ecliptic Express, and the two characters must cooperate to survive the outbreak and uncover its connection to Umbrella.

Billy's military background distinguishes him from many earlier Resident Evil protagonists, who are commonly police officers or members of specialized law-enforcement units. His criminal conviction is an important part of the game's story, although the narrative also reveals information that complicates the official account of his past.

Resident Evil 0 was released in 2002 for the Nintendo GameCube. Its partner system lets players switch between Billy and Rebecca, making their different abilities central to exploration and puzzle solving.