Hopefully they're meeting seven Helena Bonham Carters at the party.
Raoul Duke ("Fear and Loathing in Las Vegas"), Jack Sparrow ("Pirates of the Caribbean"), The Mad Hatter ("Alice in Wonderland"), Sweeney Todd ("Sweeney Todd"), John Dillinger ("Public Enemies"), Edward Scissorhands ("Edward Scissorhands"), Willy Wonka ("Charlie and the Chocolate Factory")
Source: imgur.com / via: reddit.com