The more I think about it, the more I am convinced that May is actually...

[May1010]

Plifter is a very busy man.

 

[The Shadow]

LMFOA!!!

Plifter is a very busy man.

Yeah being Schizophrenic does occupy a lot of one's time.

 

[WODIN]

I don't think may is schitzo, it's more like MPD.

 

[HappyScrappy]

true true - schizophrenic is just hearing voices... well, more than that - but it isn't the multiple personalities that people for some reason associate with it.
I belive you can also have visual hallucinations as well.