Term: Gandalf, Description: Fictional character created by J. R. R. Tolkien, Question: Is Gandalf hypothetically a formidable foe for Charmed's Barbas?, Answer:No
Fact1: Gandalf was a wizard in the Hobbit and Lord of the Rings series. Fact2: Gandalf used his staff to cast powerful spells. Fact3: Barbas was a demon on Charmed that had resistance to magic. 