Related Clues:

• Title derived from 'Caesar'
• Shah : Iran :: ___ : Russia
• Ivan or Feodor
• 1917 abdicator
• Kingpin
• Powerful one
• Ruler of the past
• Fabergé Egg collector
• Alexandra's Nicholas, for one
• ___ bomb (nickname of the largest nuclear weapon ever detonated)
• Authoritarian
• Russian Revolution victim
• Corporate honcho
• Industry honcho
• All-powerful one