Saruman

Saruman also known as Saruman the White was an Istar (wizard), who lived in Middle-earth during the Third Age. Originally, he was the chief of the wizards and of the White Council that opposed Sauron. His extensive studies of dark magic, however, eventually led him to desire the One Ring for himself. Thinking he could ally himself with Sauron and then betray him, Saruman allied Isengard with Mordor in the War of the Ring, in which he was defeated. In the Universe of Venturiantale Saruman is belived to be Issac Fry.