I think my favourite twitter feeds vary a lot, but these are my current 5 favourites 🙂
@Queen_UK
A fictional account for her majesty – absolutely brilliant 🙂
@qikipedia
All the bizarre facts you ever wanted to know 🙂
@compassionuk
Bible verses, quotes, encouragement, and info on their work!
@thepoke
articles, pictures, anything with the potential to go viral on the net 🙂
@sixthformpoet
jokes, comments, sarcasm, puns etc 🙂
ineke.co.uk 
Anything to add...?