Question: What villain of the Victorian penny was played by George Dibdin Pitt?

Context paragraphs:
Max Pitt: Max Pitt (born 4 January 1946) is a former Australian rules footballer who played with Collingwood and St Kilda in the Victorian Football League from 1966 until 1969, playing 34 games and kicking 8 goals.

Percy Pitt (footballer): Percy Pitt (8 September 1883 – 30 June 1968) was a former Australian rules footballer who played with Carlton in the Victorian Football League (VFL).

Sweeney Todd: Sweeney Todd is a fictional character who first appeared as the villain of the Victorian penny dreadful "The String of Pearls" (1846–47).

Gary Grainger (footballer): Gary Grainger (born 24 September 1949) is a former Australian rules footballer who played with Essendon in the Victorian Football League (VFL).  His father, George, also played VFL football, for St Kilda.  After leaving Essendon, Grainger played for and captained Preston in the Victorian Football Association (VFA), was captain-coach of Tasmanian side East Devonport, captain-coached Epping back in Victoria, and was captain-coach of Lalor in the Diamond Valley Football League.

The Strand Arcade: The Strand Arcade is a Victorian-style shopping arcade in Sydney, New South Wales.  The Strand Arcade is located in the heart of the Sydney central business district, between Pitt Street Mall and George Street.  The arcade was one of the first Victorian buildings in Sydney.

Mysteries of London: Mysteries of London is a 1915 British silent crime film directed by A. E. Coleby and starring Wingold Lawrence and Flora Morris.  The film may have taken its inspiration from the Victorian penny dreadful "The Mysteries of London".

Ern Penny: Ern Penny (16 March 1912 – 10 January 2001) was an Australian rules footballer who played with St Kilda in the Victorian Football League (VFL).

Fred Pitt: Fred Pitt (28 February 1883 – 17 November 1935) was an Australian rules footballer who played with South Melbourne in the Victorian Football League (VFL).

James Roland MacLaren: James Roland MacLaren (1839–1912) was a British actor and playwright born on 10 June 1839 in Bonhill, Scotland to Archibald MacLaren and Anne McIntyre.  The family later moved to Liverpool, where James Roland MacLaren first took to the stage, appearing second to Barry Sullivan, the well known Victorian actor.  He subsequently went to Sunderland with Alfred Davis where he took over the New Royal Lyceum Theatre (now demolished).  It was here with MacLaren that the actor Sir Henry Irving made his first stage appearances before moving to London where he later became famous as the inspiration for Bram Stoker's Count Dracula.  For some thirty years MacLaren was renowned in the north east of England as an actor in stock companies, a noted recitalist and a playwright.  He usually played heavy villain roles and was popular amongst the audience as the 'traitor'.

George Dibdin Pitt: George Dibdin Pitt (born George Pitt , 30 March 1795 – 16 February 1855) was an English actor, stage manager and prolific playwright, specializing in melodrama.  He was the first playwright to dramatize the fictional character Sweeney Todd, in his 1847 play "The String of Pearls; or, The Fiend of Fleet Street".

Supporting paragraphs: George Dibdin Pitt Sweeney Todd
Answer: Sweeney Todd