Sweeney Todd

Sweeney Todd was a serial killer (TV: Deep Breath) from London. He was described as "the demon barber of Fleet Street". Margery Lovett was his lover and accomplice. (PROSE: A Tour of the Capital)

A poster for Sweeney Todd was present in London in March 2006. (TV: Aliens of London)

When Clara Oswald and the Twelfth Doctor came into the Mancini's Family Restaurant, the Doctor told Clara that this was "a sort of an automated organ collection station for the unwary diner, Sweeney Todd without the pies." (TV: Deep Breath)

When Clyde Langer and Rani Chandra were in Erasmus Darkening's secret chamber in Ashen Hill Manor, Clyde told Rani that this place was creepy. According to Clyde, it was "Creepsville, Transylvania", "Hogwarts Tim Burton Style", or "Harry Potter Has A Close Shave Off Sweeney Todd". (TV: The Eternity Trap)

In the Eleven-Day Empire's Feast of Fools, Sweeney Todd was portrayed by a Father of the Military Wing during the L'Amoureux ritual. The parade passed through his barbershop at 186 Fleet Street, down his corpse-chute into the catacombs under St Dunstan's Church, and out through Lovett's pie shop. (PROSE: A Tour of the Capital)

Sweeney Todd existed within the Land of Fiction, and was one of the numerous characters whom Missy defeated in order to take over it. (PROSE: The Wonderful Doctor of Oz)