Gordie is a student at Westbridge High School, where he becomes friends with Sabrina Spellman, Valerie, Jenny and Harvey. Not much is known about him, but it is known he is more of an academically-minded classmate and awkward in social situations, which designates him a bit of a "nerd" in high school parlance. It is revealed that he likes raising money for orphans, and that he once helped out Sabrina to escape school when she was being embarrassed, likely because he himself often suffers the pangs of public embarrassment due to his own anxieties. Sabrina first met Gordie in the Westbridge Science Club, and the two remained acquaintances and friends for three years of high school. Gordie also had a short lived relationship with Sabrina's friend Valerie; however, it never evolves into anything too serious since Valerie soon moves to Alaska with her parents before their senior year..
Gordie is subsequently chosen by Roland to be the host for Salem Saberhagen's essence when he wishes to be a human. However, Salem's contrastingly extrovert nature helps Gordie and Valerie's relationship along a little.
Gordie isn't seen during Sabrina's senior year of high school. It's possible his family moves away and he moved away to another student or perhaps his later activities just prevented him from passing through Sabrina's life any further. His later wherabouts are unknown.