Possible Clues:

• it takes a yes-man under a century to become a predator
• Islands - crocodile
• After a century the yes-man sounds like an old crock
• After a century the yes-man is just a reptile
• After a century the yes-man is just an old crock, by the sound of it
• Fearsome creature about - many scattered
• -- Islands (West Indies group)
• Caribbean's ___ Islands
• Caribbean's Islands
• Little island fellow is reptile