Senior Press Officer and Deputy Communications Director at Number 10
Boss and mentor - Serves as Malcolm's violent enforcer, shares Scottish background and seminary training
Professional rival - Conservative counterpart in aggression and intimidation tactics
Leaked damaging story about his antidepressant use - Attempted to sabotage during leadership transition
Failed to prepare for Paxman interview - Disastrous attempt at media training ends in humiliation
Threatened over Al Jolson insult - Nearly assaulted him for mocking his musical tastes
Terrorized minister - Regular target of intimidation campaigns
Later ministerial target - Continues intimidation tactics under new Secretary of State
Fellow enforcer target - Despite being on same side, frequently threatens