Grim Creeper

The Grim Creeper is a main character in Scooby Doo and the Ghoul School, serving as a side antagonist alongside Revolta.

Biography
The Grim Creeper is a plant monster with retractable vines as arms and a beady red eye.

Role in the movie
The Grim Creeper is a servant of Revolta who helps her revoltize the girls.