He isn't the sanest of the sane... Quite the opposite actually.. He was taken away from his parents at a young age because of schizophrenia; of course that didn't help him a lot. The voices got stronger. The only thing that held him back was that one nice nurse that occasionally took care of him and was willing to listen to his absurd stories.

There have been some news reports of an asylum that abused their patients and ended up irresponsibly killing at least six of their patients by overdosing or just not look after them properly, leaving them to themselves. Arthur being one of the victims... You've seen him all over the news, as dead. He is a dead man so why is he standing Infront of your door panting so much?! He's babbling something about running away? WAIT WHAT