Yuri Kerzach was a scientist stationed at Pelvanida during most major incidents in the bases' history. After the terrorist incident, he took on the identity of Steven Irving. While undercover in Dragonstorm, his codename was Aeneas.
His signature item was his switchblade.
Kerzach was stationed at Pelvanida during the virtual reality machine incident; Dr. Bruce Tinner coded his office into the virtual Pelvanida used as a backdrop for the final test. Kerzach was working on creating small hadron colliders for use as weapons. (Schrodinger's Prisoners)
Kerzach was in his office when the terrorists attacked and barricaded himself in his closet. He was recued by members of James' team, and witnessed the intial assault by Keegan O'Neil, Pietr Kozlov, Howard Hicks, and Lester Montgomery in his laboratory.
He helped carry the captured Kozlov, Hicks, and Montgomery to Rudyard Shelton and the men in the control room. There, he became Shelton's technical assistant, replacing the previous technician who died.
- Schrodinger's Prisoners (mentioned only)
- Darwin's Soldiers (first appearance)
- Kerzach appears in four stories. The only character to appear in more is Rudyard Shelton, with five.
- Kerzach is the only main character from the first role-play whose character sheet was posted after the beginning of the RP.
- Kerzach, a scientist, serves as Shelton's assistant during the first RP. This makes him one of few characters to serve as a scientist and an assistant.
- Kerzach is the protagonist of Fool's Gold, making him the first furry protagonist in a story.