William
Clark Wilhem Griswold Jr. His middle name is revealed during the opening credits to Euorpean Vacation on his passport.
Ross
25,000 Italian lights
Mr. Blue by the fleetwoods 1959. My little secret! Little secrets..
Betsy Blankenbaker http://www.imdb.com/name/nm0087540/
Clark Wilhem Griswold Jr. His middle name is revealed during the opening credits to Euorpean Vacation on his passport.
Ellen Griswold
In Christmas Vacation, Clark's last name is Griswold.
Clark Griswold (Chevy Chase) is the main character in the "Vacation" movies
Eugenie Clark's middle name was "Clark."
Clark Griswold's fictional address in the movie "National Lampoon's Christmas Vacation" is 2510 Mill Road in Chicago, Illinois.
Ross
Claire Griswold's birth name is Claire Bradley Griswold.
Wally World
Herbert Hoover's middle name was Clark
membership to the jelly of the month club
Chevy Chase portrays Clark Wilhelm Griswold Jr. in National Lampoon's Christmas Vacation, the third installment in National Lampoons vacation series.