Rhinosnorus is a rhinoceros-like Nighlok with a sideways elephant-like head behind his head. He is sent by Master Xandred to put Dayu to sleep and allow her to remember her origin by exuding a sleep-inducing mist from an inducer on his left arm. He successfully puts Antonio to sleep while Mia is chasing Dayu. Rhinosnorus finally catches up with Dayu and Mia and successfully puts them to sleep, managing to complete his job. Once his job is done, he then enters the Dream World so he can eat the dream incarnations of his human victims, thereby destroying them. He goes into Antonio's Dream Realm, where Antonio has just won a trophy. He starts to attack the inhabatints of the Dream world. However, Using Jayden's Portal, Mike and Kevin enter the Dream World after him, force the Nighlok out, and break his mist inducer, breaking his hold over his victims. Rhinosnorus escapes to Netherworld before Kevin can strike him with his Hydro Bow. In "The Ultimate Duel," Rhinosnorus returns the next day with a sword and the Moogers with the intent to eat humans after convincing by Master Xandred and Octoroo. Rhinosnorus is defeated by Kevin with his Hydro Bow and destroyed by Samurai Megazord. In "Party Monsters," Rhinosnorus appears at a Halloween Party at a club in the Nighlok Heaven and recaps his battle with the Rangers to the other Nighloks. He offers to the defeated Nighloks to play a game of "Bobbing for Furry Warts."
- Puts victims to sleep with his Mist Blower
- Able to enter the Dream World and eat his victims
- hopping streak