To mark the Broadway milestone, Playbill.com is looking back at the magical and mysterious characters who inhabit the untold tale of the witches of Oz and a selection of the actors who have filled their shoes. Each week Playbill.com will highlight a different leading character from the hit musical. (Read more about Wicked's 10th anniversary here.)
This week we look at Madame Morrible, the headmistress of Shiz.
Click through for a tour of Oz's Wicked inhabitants: