For 10 points, name this figure, the central subject of Alan Moore's From Hell, which depicts this figure murdering several women in Whitechapel in 1888 London.
In House of Mystery #306 this figure battles Andrew Bennett and is revealed to be the doctor Jonathan Kelsey, while in another version this figure is created when Dormammu sends a creature to possess Tom Malverne. This figure is hunted by Batman in the first Elseworlds story, (*) Gotham by Gaslight, and he is often associated with the cartoon "The Nemesis of Neglect." One version of this figure covers up an affair involving Prince Albert partially caused by the painter Walter Sickert; that depiction of this figure takes its two-word title from a letter this figure allegedly sent and identifies this figure as the insane Dr. William Gull. For 10 points, name this figure, the central subject of Alan Moore's From Hell, which depicts this figure murdering several women in Whitechapel in 1888 London.
In House of Mystery #306 this figure battles Andrew Bennett and is revealed to be the doctor Jonathan Kelsey, while in another version this figure is created when Dormammu sends a creature to possess Tom Malverne.
Jack the Ripper (prompt on the Whitechapel Murderer or Saucy Jack; prompt on just Jack; prompt on Dr. William Gull after “covers up” is read)