The fidgeting stop for a split second, then continued without pause. "Wait a minute, is this an Allen Walker thing?"

Extra limbs, parts of animals, things like that.

"Because I saw him last night, with something that fits that description. It'd never been human, I'm certain. On the other hand, the doppelgangers are very precise fakes until you get too close--vampire blood will smell like vampire blood even if it's not, for example." And that made him want to gag, remembering how much of his own blood he'd apparently spilled. "... They're weak, though."

Thank the gods the boy was unable to see the flitting emotions on his face.