Related Clues:

• Playful river creature
• Playful aquatic mammal
• Mischievous sort
• Animal
• Mink's cousin
• Musk secreter
• Frisky swimmer
• Oliver Twist, for one
• Aquatic critter
• Pip or Pop, on 'Bear in the Big Blue House'
• 'Animal House' role
• Weasellike swimmer
• Marine mammal
• Playful river critter
• Playful swimmer