Related Clues:

• Family head?
• Poseidon, to Athena
• Mafia kingpin
• THRUSH adversary of '60s TV
• Crime lord
• Guitar gadget
• Word said with a hand behind one's back
• Male relative
• Mafia biggie
• "I give up!"
• Gangland biggie
• Monkey's ___
• ___ Remus
• "The Man from __": 1960s spy series
• Leo, to Jerry, on "Seinfeld"