Gotham by GaslightGotham by Gaslight.

Gotham by Gaslight: An Alternative History of the Batman is a DC Comics one-shot comic book by Brian Augustyn and Mike Mignola, inked by P. Craig Russell, with and an introduction (written in the character of Jack the Ripper) by Robert Bloch. The story revolves around a 19th-century version of Bruce Wayne making his debut as Batman just as Jack the Ripper has arrived in Gotham City. Gotham by Gaslight is considered to be the first Elseworlds story in which DC Comics characters from alternate timelines or realities are featured in stories outside of the DC Universe canon.