Auntie Dottie is a minor character in Peppa Pig. Auntie Dottie has only been mentioned in Horsey twinkle Toes when she sent a package to Peppa and George. She is assumedly the sister of Mummy Pig. It is unknown what Auntie Dottie looks like.
Not much is known about Auntie Dottie except that she lives in another country and somehow knows of Peppa and George, although never meeting.