I thought the actor who played Tyrion was actually better looking than how I'd imagined Tyrion in my head lol. But he managed to convey his personality exactly how I imagined it in my head. Definitely my favourite character in both the series and in the books haha.
Yeah, LOTR is hard going lol. Good luck with it!
Narnia were excellent, too, when I was a kid. I still dip into them every now and again just to remind myself what happened. I tried reading Stephen King's Dark Tower series (or whatever it's called). I started off with "The Gunslinger" which I actually found pretty boring, so I never finished the series. I'll have to pick it up again some time - I think you'd enjoy it more than i did, though. He's very dark with his writing style, and that seems to fit better with my impression of what you enjoy
I have, indeed, read the Hitch-Hiker's Guide
. One of the funniest books I've ever read, and I always re-read it every five or six years just so I can get a fresh laugh haha. I'm probably due a re-read soon, actually. Douglas Adams was a very funny man.
Currently I'm not reading anything, although I did just finish re-reading David Gemmel's "Jon Shannow" trilogy. Again, this is very much down your alley, so you should add it to the books you need to read
. Very, very dark... but also brilliant.