Egon Spengler

Egon Spengler, PhD is a fictional character from the ''Ghostbusters'' franchise. He appears in the films ''Ghostbusters'', ''Ghostbusters II'', and ''Ghostbusters: Afterlife'', in the animated television series ''The Real Ghostbusters'' and ''Extreme Ghostbusters'', and in the video games ''Ghostbusters: The Video Game'' and ''Ghostbusters Beeline''. Egon was portrayed by Harold Ramis in the films and voiced by him in ''Ghostbusters: The Video Game'' and ''Lego Dimensions'', and voiced by Maurice LaMarche in the cartoon series. He is a member of the Ghostbusters and one of the three doctors of parapsychology, along with Dr. Peter Venkman and Dr. Ray Stantz. Provided by Wikipedia