One visitor triumphs over another

A pop quiz for your edification, with visual clues:

1. What should turn up in the Timms trap on Saturday morning?
2. And who should turn out to have trapped furs for pin money during school?
3. And what did we have for tea on Sunday night?
4. And what is nailed to the underside of the lounge floor?
   

And just to test out the technology, here's a clip of Claude shaking the rigor mortis out of the wee beastie.