Archenemy

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Archenemy

The Fourth Doctor noted the Decayed Master to be his "sworn archenemy". (TV: The Deadly Assassin) The Twelfth Doctor later claimed Davros to be his archenemy much to the jealousy of Missy, the female incarnation of the Master. (TV: The Magician's Apprentice)

Amy Pond identified the Daleks as the Eleventh Doctor's archenemies. (TV: Victory of the Daleks)

The Ninth Doctor deemed his upcoming marriage to Emma to be news even his archenemy, the Master, needed to hear. (TV: The Curse of Fatal Death)