- "That's the name of this scary latino mythical creature that my mommy thaught me about to make me behave..."
- ―Theresa talking about the Cucuy
Cucuys possess a human appearence, and over time they grow old. By using magic, Cucuys can change their face to a dark-gray skull shape, with large red eyes.
Cucuy live on Earth rather than in the Wizard World, enjoying a lavish life thanks to their wealth. However, they do have connections with the Wizard World, buying wizarding magazines and keeping touch with magical events. Also, Cucuy enjoy scare human children. They're also terrified of werewolves.
- Shapeshifting: Cucuy possess a limited form of Shapeshifting, enabling them to change their face into a dark-gray skull.