Harry Spangler

He is one of the founding members of Ghostfacers.

Background
Along with Ed Zeddmore, he is a 'professional' paranormal investigator. He also co-runs the website HellHoundsLair.com. He moved to Hollywood with Ed to see a producer. But unknown to them both, it was Sam that called them and pretended to be the Hollywood producer. In the episode Ghostfacers, it is shown that Harry and Ed's adopted sister Maggie share a mutual attraction, and end up holding hands and making out.

Season 1

 * "Hell House"

Season 3

 * "Ghostfacers"

Season 4

 * "It's a Terrible Life"

Season 5

 * "Hammer of the Gods"

Trivia

 * His name is most likely a reference to Egon Spengler, one of the founding members of the Ghostbusters from the films of the same name.