Related Clues:

• Human sponge
• Parasitic sort
• "The African Queen" hanger-on
• Bloodletter's need
• Real sucker
• Clinging type
• Aquatic sucker
• One who's a real sucker
• Parasitic worm
• Bloodletting critter
• Blood-sucking parasite
• Blood-loving worm
• Parasitic creature
• It's a real sucker
• Annelid used in hirudotherapy