Specials and Spin-offs
There are three annual Batman: Legends of the Dark Knight Halloween Specials written by Jeph Loeb with art by Tim Sale; the popularity of these led to the limited series Batman: The Long Halloween.
The short lived series Legends of the DC Universe was based on the concept of Legends of the Dark Knight. But instead of Batman, it featured a rotating roster of other DC superheroes.
The Mitefall special used a modern version of Bat-Mite who first appeared in Legends of the Dark Knight to parody the Batman Knightfall storyline.
Read more about this topic: Batman: Legends Of The Dark Knight