Kingmaker

Kingmaker is a term originally applied to the activities of Richard Neville, 16th Earl of Warwick — "Warwick the Kingmaker" — during the Wars of the Roses in England. The term has come to be applied more generally to a person or group that has great influence in a royal or political succession, without being a viable candidate. Kingmakers may use political, monetary, religious, and/or military means to interfere in the succession. They may also be assigned as Minister of State without Portfolio. Examples include: