Hay Lin is one of the chosen guardians of Kendrakar, one of the affiliated members of the group, W.I.T.C.H., and one of the main heroines of the comic book and television series of the group's name. A cheerful and confident young lady, Hay Lin is appointed as the Guardian of Air. That said, she is tasked in saving the universe from the forces of evil. She appears in the second Disney Heroes vs. Villains and Heroes vs. Villains as one of the prominent heroes who face the villain alliance.