Characters / Resident Evil 0

This page is for characters introduced in Resident Evil 0 only. For characters in other games or films in the game continuity, go to their respective debut media.

  • Resident EvilIntroducing 
  • Resident Evil 2Introducing 
  • Resident Evil 3: NemesisIntroducing 
  • Resident Evil Gun Survivor Introducing 
  • Resident Evil Code: VeronicaIntroducing 
  • Resident Evil OutbreakIntroducing 
  • Resident Evil 4Introducing 
  • Resident Evil: The Umbrella ChroniclesIntroducing 
  • Resident Evil: DegenerationIntroducing 
  • Resident Evil 5Introducing 
  • Resident Evil: The Darkside ChroniclesIntroducing 
  • Resident Evil: RevelationsIntroducing 
  • Resident Evil: Operation Raccoon CityIntroducing 
  • Resident Evil 6Introducing 
  • Resident Evil: DamnationIntroducing 
  • Resident Evil 7: biohazard Introducing 
  • Resident Evil: Vendetta Introducing 

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     Billy Coen 

Voiced by David Webster (2002) and Steve Von Wormer (2007)
"Listen, little girl, if you haven't noticed there's some pretty freaked out things on this train. And I, for one, wanna' get out of here. I don't think we stand a chance of doing it alone."

A former Marine, Billy was wrongfully sentenced to execution for the slaughter of 23 people in Africa. However, when his transport through the Arklay mountains was overrun by mutated leeches (No, seriously...), he escaped. He proceeded to team up with Rebecca Chambers, and the two investigated zombie filled trains and a research facility in the woods. He was last seen in the woods around the mansion area, and hasn't been heard from since.

  • Chained by Fashion: He wears handcuffs throughout the game, dangling off of one wrist. He manages to pick them off by the end of the game, and he discards them by tossing them off of a cliff.
  • Contrasting Sequel Main Character: He heavily contrasts the four (so far) canonical male protagonists in the games. Like Chris, he is a military man who fought for the right reasons, but whereas Chris will take reasonable orders, Billy refuses to kill anyone who isn't an enemy. Like Leon, he has a strong sense of justice and will help others. However Leon is a cop-turned secret agent, while Billy is a wrongly convicted man. While heavy with the snark factor, Jake is a mercenary Only in It for the Money who is a Jerk with a Heart of Gold, which initially gruff, Billy appears to be nicer than his appearance makes him. While Ethan contrasts all four men himself, Billy appears to know more than he should, while Ethan unknowingly gets himself into a situation where he has to fight to survive.
  • Death Faked for You: By Rebecca, at the end of the game.
  • Elites Are More Glamorous: Billy served in a Marine Force Reconnaissance unit.
  • Hidden Depths: Despite how brutish he seems more often than not, he's remarkably good at playing the piano.
    • Tip of the iceberg. When Rebecca finds him after he gets washed away, they come upon a pile of skeletons. Somehow Billy is aware that Marcus used them as test subjects for the Mother Virus. Someone knows a little more than they're letting on.
  • Huge Guy, Tiny Girl: One of the brawniest male characters, partnered up with the smallest adult female character.
  • Hunk: Absolutely.
  • I Won't Say I'm Guilty: Granted, he's not.
  • Jade-Colored Glasses: Billy is almost bizarrely aloof about his conviction, resigned to his fate, and cynically shoots down Rebecca when she tries to be optimistic about it. And yet...
  • Knight in Sour Armor: ... The cynical, wrongfully convicted murderer has a powerful sense of justice. He's the one who convinces Rebecca to partner up with him and he's the one who refuses to go back on his word.
  • The Nicknamer: To Rebecca.
  • The Quiet One: Man of few words.
  • Semper Fi: An ex-Marine.
  • Tattooed Crook: Averted. He's the only convict among the series protagonists and has a very prominent tattoo, but Billy is a decent guy and not actually a criminal, and closer examination reveals that his tattoo reads, "Mother Love."
  • What Happened to the Mouse?: Hasn't been seen or heard from since Zero. The only continuity nod is in Resident Evil 2, where Rebecca reported him dead.
    • Where she misspells his surname as "Koen"...

     Dr. James Marcus 

Voiced by Ian Downie

One of Umbrella's three founding members along with Ozwell E. Spencer and Edward Ashford, the one who figured out how to make the Proginetor Virus into the T-Virus. He was murdered by Wesker and Birkin on Spencer's orders.

     Mysterious Young Man/Reborn Dr. Marcus/The Queen Leech 

Voiced by Ian Downie (old) and Lyon Smith (young)

A young man in strange clothes that causes the mutated leech outbreak on the Ecliptic Express. He claims to be Dr. Marcus reborn and wants to destroy Umbrella. He's actually Dr. Marcus' greatest creation the Queen Leech, which absorbed Dr. Marcus' body and memory.