Underdog - Simon Bar Sinister Glow in the Dark Pop! Vinyl Figure "There's no need to fear, Underdog is here!" Originally airing from 1964-67, Underdog was a hit animated series that followed the adventures of, you guessed it, Underdog, Shoeshine Boy's heroic alter ego who appears whenever you Sweet Polly Purebred is being victimised by such villains as Simon Bar Sinister or Riff Raff. Well now it seems Simon Bar Sinister has given up on Sweet Polly Purebred and is now looking to wreak havoc on your Pop! Vinyls instead. Simon Bar Sinister is a mad scientist and the wickedest man in the world, who dreams to one day rule the world, however each time Underdog makes sure that doesn't happen. Funko's Exclusive new Simon Bar Sinister Pop! Vinyl Figures features to evil genius, complete with his iconic black and white outfit from the series. Add Simon Bar Sinister to your Funko collection today! Underdog Simon Bar Sinister Glow US Exclusive Pop! Vinyl Funko