A surfeit of paradox

Here are your answers for the 15-character meme - thanks for an interesting set of questions! This was harder than I thought, mostly because my perfectionist tendencies kept getting in the way. It is what it is and it does not need to make sense. So there.

( Neal Caffrey, Andy Dalziel, Albus Dumbledore and Preserved Killick walk into a train compartment... )