They are all pseudonyms for Slim Shady, who is a longtime poster in FR Crevo debates. He writes most of Ichneumon's material too, and has published several papers on ERV insertions. That video where he is digging a grave for his mother in the rain; it is really one of Coyotemans archaeological sites. "Stan" is about the frustration of an FR evo who cannot get sensible responses from creationists.
Countdown to a creationist taking elements of your post out of context and presenting it as an "admission"...