Quasimodo

Ace made the joke that the figure in a TARDIS mirror "ain't Quasimodo", meaning that he didn't "ring a bell". (PROSE: Echo)

The Seventh Doctor compared the deformed incarnation of the War Chief to Quasimodo, "the Hunchback of the Reich." (PROSE: Timewyrm: Exodus)

Before ringing the bell at St Agnes Abbey, Clyde Langer said "all right, Quasimodo, time to do your thing." (TV: Eye of the Gorgon)

Rani Chandra likened the sound of a bell at Ashen Hill Manor to "Quasimodo on a joyride." (TV: The Eternity Trap)

The Eleventh Doctor named an inaccurately reconstructed Dalek casing the "Quasimodo Dalek". (COMIC: The Dalek Project)

Behind the scenes
Quasimodo is the protagonist of by Victor Hugo. In the story, he is the bell-ringer of Notre Dame de Paris.