Related Clues:

• Person with strange ideas, or machine part
• Person with strange and often aggressive ideas
• Eccentric person
• Slow-flying, duck-like bird
• Slow-flying birds, duck-like
• 'Slow-flying, duck-like bird (4)'
• Blackish aquatic bird
• Firn to turn to fly to swin too
• Rail family bird
• Part of many a generator
• An eccentric
• A weirdo, whichever way you look at it
• Odd old fellow
• Eccentric cheerleader at head of column
• Eccentric - starting handle