Related Clues:

• Montezuma, e.g.
• Napoléon, for one
• Sovereign
• Montezuma, for one
• RULER
• King
• Hirohito, e.g.
• Monarch
• Ming the Merciless, e.g.
• Roman ruler
• Kind of butterfly
• Maximilian, for one
• Penguin variety
• Absolute ruler
• Hadrian, for one