Agent (エジェント, ejiento) is a group of villains in Shinkansen Henkei Robo Shinkalion THE ANIMATION. They are the main antagonist in the series until episode 42. The group is dismissed in episode 48, after two of the members got petrified and one member quitted.
Members
Trivia
The Agents are named after the Japanese Four Symbols (青龍、白虎、玄武、朱雀)