Aliens (Scooby-Doo and the Alien Invaders)

Alien Invaders were seen in Scooby-Doo and the Alien Invaders and the Ghoul School.

Scooby-Doo and the Alien Invaders
They served as the main villains where they tryed to steal gold and scare off people by using fake officers. It turns out that the aliens are fake and their UFO to.

Scooby-Doo And The Ghoul School
A real Alien Invader was seen with his daughter to make her a new student, but Scooby and Shaggy had enough so they left.

Appearances

 * Scooby-Doo And The Ghoul School


 * Scooby-Doo And The Alien Invaders