Who is who? Photo-Illustration: Vulture; Photos: Joe Maher/Getty Images, Taylor Hill/FilmMagic To slightly misquote the best sketch of all time : “Oh my God, she admit it!” Catherine O’Hara agrees that her character on Seth Rogen and Evan Goldberg’s The Studio is basically film producer and former head of Sony Amy Pascal . “I don’t know Amy Pascal personally,” O’Hara told IndieWire on March 31, “and I did not really go into researching too much about her because I just didn’t want to be accused