The Terror Drones are two vehicles utilized by Hayashi to rid of the Rudies.
The first terror drone is faced in Hikage Street, it shoots mines onto the walkway, if you are hit, you will fall to the bottom of the rail. You defeat it by graffiting it on it's arms and head.
The second drone is versed in the Future Site of The Rokkaku Expo Stadium, after you defeat the Love Shockers in a game of Death Ball. It shoots shockwaves, which you must jump over to avoid being hurt. To destroy it, you must spray on three marked spots on it's head and one on it's underside.