Related Clues:

• Cruel sort
• Candidate for a psych ward
• No-good sort
• Villain
• Hardly Mr. Nice Guy
• Pervert
• Bully, e.g.
• Beast
• Blue ---, from "Yellow Submarine"
• One who might be put away
• Cruel one
• Disagreeable one
• Nasty brute
• Dirty dog
• Blue guy of ''Yellow Submarine''