Use of the serial comma can sometimes remove ambiguity. Consider an apocryphal book dedication: To my parents, Ayn Rand and God. *
The Times once published this description of a documentary: : "...highlights of his global tour include encounters with Nelson Mandela, an 800-year-old demigod and a dildo collector."
[via http://www.vampireweekend.com/lyrics.php , sorta]