Mainstream universe
(Capcom's primary storyline)

O. Gerry was an Umbrella employee undergoing training at the company's Umbrella Research Center in the Arklay Mountains. Gerry was one of a number of students used by their teacher Dr. James Marcus in his inhumane tests on the Progenitor and t-Viruses. Gerry was killed in the test and disposed of in the Treatment Plant.[1]


  1. Resident Evil Zero (2002), file: "Inmates List"

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