User blog comment:Ḡwẵine Ḹٍٍkƨ Ĺiĸe Ͼềлȑềd/Series 5 - the 5 Best and Worst Characters/@comment-5654429-20130113123544

I think that the best were:

Merlin, morgana, arthur, Kilgarrah, freya, ruadan

worst is:

Kara( defineatly!), queen mab, eira