Related Clues:

• Big cheese
• V.I.P.
• Bigwig
• Chief
• Honcho
• Top banana
• Leader
• Top dog
• Ring leader
• Bowler's aim
• Marlo Stanfield, e.g., on 'The Wire'
• Cartel leader
• Capo di tutti capi
• Pink gin for indispensable person
• Essential person to front 1