For 10 points, identify this anti-heroine of William Makepeace Thackeray's Vanity Fair.
In the prefatory section "Before the Curtain", the "puppet" representing this character is said to be "uncommonly flexible in the joints". This character appears in the role of Clytemnestra in a game of charades held at Gaunt House. In a memorable scene, this character heaves copy of Samuel Johnson's dictionary out the window of a moving carriage, horrifying Miss Jemima. She wastes the life savings of both the servant Briggs and the landlord Raggles and carries on an adulterous relationship with Lord (*) Steyne. Earlier, she'd attempted to finagle her way into an inheritance by marrying Sir Pitt's son Rawdon Crawley. The novel opens with this character graduating from Miss Pinkerton's Academy for Young Ladies alongside her friend Amelia Sedley. For 10 points, identify this anti-heroine of William Makepeace Thackeray's Vanity Fair.
In the prefatory section "Before the Curtain", the "puppet" representing this character is said to be "uncommonly flexible in the joints".
Becky {Sharp} [accept either underlined portion; also accept Rebecca Sharp; prompt on "Mrs. Rawdon Crawley"; accept Vanity Fair: A Novel Without a Hero before "this character" is read]