Drago

 

Endgame

He deceived the Freedom Fighters and the Wolf Pack Freedom Fighters by framing Sonic for attempted assassinating Sally.  He deceived Hershey for posing as sonic and almost killing Sally by a device from Robotnik.

    
Dark Legion Grand Master

Due to Sally’s reverse psychology and his gloating he told sally all the information of the dark legion secrets. Such as whereabouts how they work and how many members are there.