Family pet or other (usually domesticated) animal displays unusual intelligence or skill, usually in order to save one of the characters from danger. Parodied to the point of being a Discredited Trope by now, maybe even a Dead Horse Trope. Heck, just the above phrase is common sarcasm for when someone has no idea what is being non-verbally communicated. (And Timmy never did fall down a well, anyway.) See also Speech-Impaired Animal, Come Back, My Pet. Examples of Timmy in a Well include: