Romeo is one of the nighttime villains from the Disney Junior show PJ Masks. Driving his mobile laboratory throughout the city, this crazed scientist and inventor is bent on nothing less than world domination.
- Romeo knows about the PJ Masks' secret identities.
- Romeo's voice actor, Alex Thorne, has also provided the voice of Zuma on the animated show PAW Patrol.
- His attire is based on the stereotypical mad scientist.