Related Clues:

• Mike, Robbie or Chip, in '60s TV
• Cain, to Adam
• 8-Down, with 'the'
• ''My __, the doctor''
• Start of a sequel
• Emilio, to Martin
• Cupid, to Venus
• Like Reuben
• Ben, to Jerry Stiller
• Beaver, to Ward
• Sequel title starter, sometimes
• Business partner, sometimes
• First in line
• In position to inherit the throne, say
• Most mature