Queen Ozma

Queen Ozma of Oz once was a ruler of Oz. She was also the former Wizard of Oz. She approved Glinda's plan to let the 4 other parts of Oz being ruled by witches like herself.

Trivia

 * She was the only (known) female Wizard of Oz.
 * She is the last royal to rule Oz.
 * She is the last royal Wizard of Oz.
 * It was she who approved Glinda to rule Oz with her witches along with the Wizard.