In the final battle sequence, Billy and Rebecca destroy the Queen Leech by exploiting its vulnerability to sunlight. After revealing the details of his demise, the hybrid Marcus fully mutates into the Queen Leech. Both characters are monitored by the Queen Leech-James Marcus hybrid, who sends various creatures to subdue them. The two form an alliance in order to survive, using their talents to discover the Umbrella Corporation's secrets. He escapes en route to his execution and seeks refuge in the Ecliptic Express, a stranded train, where he meets Rebecca Chambers. Billy's flashbacks imply he is innocent and the victim of a cover-up. A former Second Lieutenant in the United States Marine Corps Force Reconnaissance, Billy is sentenced to death by a military court for massacring 23 people in murky circumstances during a mission in Africa. He is first mentioned in a police report filed by Chambers that can be found in the Nintendo 64 version of Resident Evil 2, foreshadowing the events of the prequel. Ada is occasionally featured as the main character of select scenarios or campaigns in the franchise's video games.īilly Coen Voiced by (English): James Kee ( RE0), Steve Van Wormer ( The Umbrella Chronicles) Voiced by (Japanese): Katsuyuki Konishi ( RE0 HD Remaster)īilly Coen ( ビリー・コーエン, Birī Kōen) is the co-protagonist of Resident Evil Zero along with Rebecca Chambers. Introduced in Resident Evil 2, Ada Wong is a field agent working for a mysterious organization known only as the "Agency". P* - Playable character (minigame/DLC) Character
P - Playable character (campaign/unlockable-mini campaign)