Matilda (The Impossible Astronaut)

Matilda was an apparent aristocrat who once met the Eleventh Doctor. She painted a nude study of him. During the process, she hid him under her skirts as she was discovered by King Charles II. The king discovered the Doctor and imprisoned him in the Tower of London. (DW: The Impossible Astronaut)

Behind the scenes

 * Matilda is not named in the episode proper; instead the name is derived from the end credits.