Ascended Extra: A real-life behind-the-scenes version. When the twin actresses who were supposed to play Tink's sisters couldn't make it, Felicia recruited one of their extras and used special effects to turn her into the twins we end up seeing in the show.
Hey, It's That Guy!!: Considering what a shoestring the series started on, the number of these it's wracked over the years is doubley impressive.
Wil Wheaton plays Fawkes, leader of the Axis of Anarchy.