Ms. E is the temporary name of one of the new art style characters. She is a tall, older Caucasian woman with grey hair. She wears a white evening gown with a blue/grey shrug with a flared collar, with a large bow tied on the left just under her bust. She also wears pearl earrings, an elaborate pearl necklace, and a watch.
The internal game files call her "Bea." The SpyParty community generally calls her "Pearls" (for the necklace she wears), although some have taken to calling her "Helen Mirren" (given her resemblance to the actress).