7. ‘National Lampoon’s Christmas Vacation 2: Cousin Eddie’s Island Adventure’ (2003) — Sequels You Didn’t Know About
After stealing scenes in 'Vacation,' 'Christmas Vacation' and 'Vegas Vacation,' Randy Quaid gets his very own movie! Cousin Eddie and his family are sent to a remote island in the South Pacific for some hilarious hijinks with a wild boar. Ed Asner and Fred Willard also appear in this Christmas turkey that was written by 'National Lampoon' publisher Matty Simmons.