Related Clues:

• Wrench's target
• Odd character
• Cashew or filbert
• Diehard fan
• Wackjob
• __ butter
• Macadamia, e.g.
• Venture-launching cost, slangily
• Fancier and then some
• Huge fan
• Shell kernel
• Difficult problem
• Wrench target
• Brazil, e.g.
• Aficionado, informally