He's a memento... from a friend.

[ And there's the smallest nostalgic smile at that. Nagisa was a good kid and kept way too many raccoons at his temple for some reason. But hey, this one decided to stick around her instead of disappearing.

There's a tilt of her head though. She's trying to figure this out. ]

If you aren't Davesprite and just Dave... Strider... Can we at least chalk it up to an innocent mistake? I take it you know him.