In Kamen Rider Gotchard, Geryon is an evil alchemist who orchestrates the activities of the Three Dark Sisters. His transformation into Kamen Rider Dread signifies his evolution into a more powerful adversary. His enhanced abilities as Kamen Rider Dread intensify his pursuit to open the Door of Darkness, posing a greater threat to his enemies such as Kamen Rider Saber (II), Kamen Rider Ghost, and Kamen Rider Specter.