Well, I started listening to the darker side of music when I was around 9-10 years old and I got a Nightwish album. It was something different from the bands I had listened before, and I liked it. I became a huge Nightwish fan. I still occasionally listen to their old songs, but the new ones just don't hit me.. I know there are fans that like the new stuff better, and fans that like the old stuff better, and blahblah but I just like the old stuff OK?
Now days I like pretty much all kinds of metal, punk( especially post-punk ), gothic rock, death rock.. and along those lines.
Wellp, the bands that get the most playing by me these days are:
Siouxie and the banshees
The Naked and the Dead
The list is endless, but enjoy these! :)