Drillion is an extraterrestrial monster and the main antagonist of the episodes "The Royal Rival" and "The Royal Rumble" in Power Rangers Ninja Steel.
He was voiced by Joseph Wycoff.
Drillion first appears alongside Princess Viera on the Warrior Dome. He goes to Earth to fight the rangers, but is ordered to back off by Viera after she is saved by Sarah.
Before their next attack, Galvanax convinces Drillion to destroy both the rangers and Viera should she not go through with the attack, with him becoming the new ruler of the Lion Galaxy as a result. After giving the rangers a thrashing, he is gigantified by Cosmo, however, Drillion is able to defeat the rangers' Ninja Fusion Zord. Before he can destroy them, he is warded off by Viera and her Lion Ship.
He laters returns to fight the rangers with a toolbox cannon on his left arm provided by Odius, with his main objective to destroy the Lion Ship. However, he is defeated when Brody gains Viera's Lion Fire Armor. After being gigantified, he is destroyed once and for all by the Lion Fire Megazord.
- His sentai counterpart in Ninninger is a monkey instead of a lion.