Stygian

The Stygian archtype are all DARK Fiend type monsters, Stygian Sergeants and Stygian Security were both releases is the US version of Yu-Gi-Oh! World Championship 2010: Reverse of Arcadia, while in addition to these cards, Stygian Street Patrol was released in the Japanese version. These card are also used by Tetsu Trudge in Season 2 of Yu-Gi-Oh! 5D's.