well, the question is simple, so who is your favourite?

My is Azura because of morrowind story line and best daedric artefacts. I also love azura's coast in morrowind

Nocturnal's been mine since Oblivion. I loved her portrayal in Skyrim.

Uncle Sheo!

Followed by Azura of course.

Sheogorath by far his dlc is the best dlc that I played for oblivion and above I haven't tried morrowinds dlc yet.

I enjoy a good villain, and I appreciated how Molag Bal and Mehrunes Dagon were portrayed this go around (in skyrim). I also had the most fun playing my villain. Bal's creepy house quest was well done and Dagon's surprise reward was harrowing the first go through. I also liked how they handled vampires (+dlc), the overall lore, and that dagger is handy as an assassin.

Hercine, I liked his questline. I felt bad for the guy and couldn't bring myself to end him on my first run. I like the lore and he offers two neat items. I also just liked the werewolves.

The rest were neat or interesting in their own way, but I always come back to these three.