Possible Clues:

• Michelangelo's sculpture, Grandma
• He gave people the law and doctors directions
• One of Charlton's many sans-pants parts
• Charlton Heston role of 1956
• Old Testament figure who is instructed by a burning bush
• Biblical leader across the Red Sea
• Aaron's brother and Grandma
• OT Lawgiver
• Ed, who profited over the hurdles
• Flight leader?