The Museum Monster was a boss creature in Alone in the Dark that was faced by Edward Carnby in the museum. its appearance included a skeletal humanoid torso and the lower half of a type of insect with talon-like legs. It had the ability to speak.
The monster may have been a physical incarnation of Lucifer.
The Museum Monster's primary attack is throwing projectiles at the player. Once the player has dealt enough damage, The Museum Monster will unleash evil energy, leaving the the player to retreat behind the pillars. Once this has been done, The Museum Monster will move to the player and destroy the pillar.
"It matters not that you are unable to recall your sins, for you there will be no mercy."
"So you assume responsibility for the blood you have shed? Well?"