Well, as Scrooge in the majority of A Christmas Carol, anyway. Posy Simmonds, author of Gemma Bovary and Tamara Drewe, is ready to let her grump loose on the world. “I start in notebooks and was drawing a character who I thought might run an art gallery. I’ve always thought that, with rare exceptions like Mrs Danvers [from Daphne du Maurier’s Rebecca], women really aren’t allowed to be total rotters.”