Aldarn is a member of a rebellious organization opposing Prince Phobos' rule, and Caleb's best friend and brother-in-arms in battle. First appearing from the television series W.I.T.C.H., Aldarn also appears in the second Disney Heroes vs. Villains War as one of the heroes who oppose villains like Prince Phobos, Hades, and Shan Yu, before he is dispatched by Caleb to return to his homeland and bring reinforcements.