Oscar Zoroaster Phadrig Isaac Norman Henkle Emmannuel Ambroise Diggs, better known as the "Wizard of Oz," is a fictional character in the Land of Oz created by American author L. Frank Baum. From Wikipedia
The new preview frames the sequel as a politically charged chapter marked by skywritten defiance of the Wizard, first looks at Dorothy, plus newly written songs ahead of the Nov. 21 release.