7. Ivan the Seagull
Ivan is nasty. Tweeting mostly about faecal matter and the inappropriate passing of wind, he and his best mate 'Racist Steve' get up to all kinds of tomfoolery which often ends in death or misfortune for an unlucky animal. Residing in Portsmouth in the South of England, I would advise you to avoid Portsmouth like the plague, but turn Ivan's follow button blue on Twitter.
Example tweet: "Being utterly foul to a duck with a condom wrapper stuck on his head" Ivan the Seagull can be found
here.