Little Red Riding Hood

Little Red Riding Hood (or Red Riding Hood) was a character in the "full cast-list of the brothers Grimm", along with Hansel and Gretel and the Big Bad Wolf. Sarah Jane Smith mentioned it in her thoughts while in the Black Forest. (PROSE: Managra)

The Meercocks, imitating characters from Earth's literature, were led by Little Red Riding Hood and her husband, the Wolf. (PROSE: Verdigris)

The Eleventh Doctor joked about a "wolf in your grandmother's nightdress", a reference to Little Red Riding Hood. (TV: The Power of Three)

While in a brand new forest grown overnight in London, the Twelfth Doctor called Clara Oswald "Red Riding Hood". (TV: In the Forest of the Night)

Behind the scenes
Little Red Riding Hood's grandmother was portrayed by Annette Crosbie in the 2014 film.