Joanne (Lant Land)

From Tardis Wiki, the free Doctor Who reference

Joanne was a character in Lant Land. She and her mate Simon welcomed the Fifth Doctor, Tegan and Turlough. She and Simon explained Lant Land to the Doctor. Joanne thought she was a real person, but she was actually a Lant Land character that had downloaded herself into a real person. (PROSE: Lant Land)