Halloween Hoodoo!/Appearances
Wikisimpsons - The Simpsons Wiki
Characters
Frodo Baggins (mentioned)
Pierre Curie (costume)
Gandalf the Grey (costume)
Jesus Christ (costume)
Steve Jobs (costume)
Stephen King (mentioned)
Nelson Mandela (costume)
Ashley Olsen (costume)
Mary-Kate Olsen (costume)
Harry Potter (mentioned)
Oprah Winfrey (costume)
ZZ Top (mentioned)