This guy:
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These hands were removed in 2007 during the massive Re-Haunting refurbishment - they used to be on the last door on the left before the Grandfather Clock.
It was decided, at the time, that they broke what was then decreed "the Leota Rule", whereby no spirit should physically materialize before we see Leota help them "get through". But, as has been said, the Casket Guy (we keep calling him Coffin Guy, myself included, but really it is a casket) was given a pass despite also breaking this rule simply because he is too iconic to lose. But it does poke a hole in the commitment to the Leota Rule - even since day one in 2007 it hasn't ever
fully been followed.
Add again that these hands were approved by Claude Coats and Marc Davis as an addition for the WDW Mansion and the rule falls even further into ruin. They guys who
made the ride didn't even really believe in that. On their second pass at The Haunted Mansion they thought these hands were an
improvement.
Another fun fact that happens to put a little bit of a ribbon on all of this - The Casket Guy, the Door Guy, and the 1969 original Hatbox Ghost's hands all came from the same mold.