William Ray "Billy" Cyrus
is an American country music singer, songwriter, actor, and philanthropist, who has achieved great success worldwide.
He is known for his role as Robby Ray Stewart on the popular Disney Channel Original Series, Hannah Montana. He is also the father of Miley Cyrus, with whom he co-stars on Hannah Montana. He also provided the voice of Buck Buckerson in the Phineas and Ferb episode, "It's a Mud, Mud, Mud, Mud World".