The Cerberus Minosaur is a minor antagonist Kishiryu Sentai Ryusoulger, appearing as the main antagonist of Episode 5. It is a Cerberus-themed Minosaur created by the Druidon Tribe from the negative emotions of Sanae Hiiragi, based on her resentment for people who mistreat and abandon their pets.
The Cerberus Minosaur made its first appearance ambushing Towa and Bamba in order to keep them busy, while Tankjoh battles Koh. While it did manage to use its fangs to poison Towam once the battle is ovemr both it and Kureon followed Tankjoh when he retreats.
A while laterm it appeared in the forest along with Tankjoh and Kureonm where they come with a plan to poison the water at a local dam. Later appearing in a park as a stature to draw the attention of the Ryusoulger, Bamba followed the smell of its poison while the rest battles Tankjoh, who'd managed to enlarge himself.
After this, both it and Kureon were at a watering facility and it was about to poison the water with its venomous fangs before Bamba arrived. Due to his interference, the Cerberus Minosaur battled Ryusoulger Black and it was about to poison him before Bamba used the Solid Ryusoul to prevent him from doing so before destroying him.
- The Cerberus Minosaur is the first Cerberus-themed monster since Kou from 2007 TV series Juken Sentai Gekiranger.