Carlos Oliveira (カルロス・オリヴェイラ Karurosu Oriveira?) was a mercenary for the Umbrella Biohazard Countermeasure Service (U.B.C.S.). He held the rank of Corporal, and served in their Delta Platoon as rear security for Alpha Squad, where he was also their heavy weapons specialist. Oliveira is also one of the few survivors of the deployed squads who served during Raccoon City Destruction Incident.