The nurses are the only ones that may have a reasonable explanation for it, but they could've easily included Valtiel in this one over Pyramid Head. In fact they should've.
Actually, there are reports of people on set seeing a Valtiel statue. So he's probably in this also. On top of that there's also Douglas Cartland, Robbie the Rabbit, and Leonard Wolf (being played by Malcolm kupoing McDowell, who I did not expect to see in this).