Preyas is the first guardian Bakugan of Marucho and one of the main protagonists from Bakugan Battle Brawlers and Bakugan New Vestroia, as well as one of the supporting characters from Bakugan Mechtanium Surge. He is a humanoid chameleon-like that he can changes attributes to Darkus, Aquos and Subterra. He has a brother named Preyas II and he has a girlfriend named Elfin who changes the attributes to Ventus, Darkus and Aquos like him.
Preyas is the guardian Bakugan of Marucho from the Bakugan series, he can change the attributes to Subterra, Darkus and Aquos in a battle, Elfin has known Preyas before he was captured and turned into bronze statue by the Vestal. Elfin has a crush on Preyas, Preyas lives on New Vestroia in Bakugan Mechtanium Surge with Amazon, his student who changes attribute to Subterra and Aquos.