Greenspan was also the subject in the weird comics "h4x0r economist"/"haxor economist", which thankfully still live on since its early internet days https://www.rdwarf.com/users/kioh/ (NSFW language)
After going through I came back to this tame comic which was the one I remember I actually got a kick out of as really funny back then: https://www.rdwarf.com/users/kioh/haxorec47.jpg (Theme: Greenspan n DnD)