 In his biography, "My Wicked, Wicked Ways" Errol Flynn (I) (qv)  (an infamous prankster) states that he played many pranks on  Olivia de Havilland (qv). One of them was leaving a dead snake in  her underwear, which she found when she went to put them on. After  that she lived in terror of what prank he would pull on her next.