On this site, a 粉丝 has a made a time line of all the known slayers. They include pretty cool descriptions/bios of each. They also added pictures for many of them, some official comic art and some 粉丝 art that they made.
For those of 你 who haven't seen the comic, 或者 won't get your hands on it for a while, here's a walkthrough with very few spoilers of the really juicy stuff.