The Owen Hargreaves parody account is quality:
"Feeling great guys. But tell me, as I can't remember, it is normal for my knee to look like this after a game, right?"
http://p.twimg.com/AZ5u4wGCMAAN4yu.jpg
"True to their word, Manchester United have sent my medical records. They've just arrived"
http://p.twimg.com/AaClZzfCQAAtPsX.jpg