His short story "Vacation '58" was first published in "National Lampoon" magazine in 1979. With all due respect to Hughes still, the credit for the series success' belongs to its cast of characters.

After surviving the Wally World expedition in National Lampoon's Vacation (1983), the Griswolds embark on a fascinating, worry-free, all-expenses-paid trip to cosmopolitan Europe, courtesy of the ...

That especially holds true for one of my all-time favorites, the 1989 comedy National Lampoon’sChristmas Vacation. I’ve watched the film about 100 times (and twice this year alone!), ...

It includes National Lampoon's Vacation (1983), National Lampoon's European Vacation (1985), National Lampoon's Christmas Vacation (1989), and Vegas Vacation (1997).