Ashley Tisdale, best known for her roles as Sharpay Evans and Maddie Fitzpatrick on the Disney Channel Originals "High School Musical," "High School Musical 2", and "The Suite Life of Zack and Cody", is 22 years old and left-handed, although not many know that. Proof: In "High School Musical", Ashley writes on the sign-up list for the musical with her left hand. In "What Time Is It" on "High School Musical 2", she signs autographs with her left hand.