You Thought _____ Was The Bad Guy, But It Was Really _____ The Whole Time

Stick to the format, people!
  1. You thought Radcliffe was the Bad Guy...
  2. ...But it was really Thomas the whole time!
  3. You thought Voldemort was the Bad Guy...
  4. ...But it was really Justin Finch-Fletchy the whole time!
  5. You thought Summer was the Bad Guy...
  6. ...But it was really Tom the whole time!
  7. You thought Cersei was the Bad Guy...
  8. ...But it was really Sam the whole time!