Possible Clues:

• Reptile of a Brummie's in jail
• Alligator-like reptile
• See, a first-rate fellow, but really an old crock, by the sound of it
• Charlie�s design on one member of group like alligators
• Object placed in receptacle for reptile
• Reptile's end tinned?
• Crocodile cousin
• Piranha predator
• South American reptile
• Amazon crocodilian