Poll: Incorruptible Cops

Sometimes cops tend to get corrupted, either because they find it more advantageous or because they find it useless to be on the other side. The following characters were tempted to become corrupt but resisted because in their heads, the duty of the police is to enforce and respect the law and not to take advantage of the opportunity to circumvent the law. Which character do you think reflects the essence of the expression "Incorruptible Cop"? Discuss here