The shot of the 'monster' lifting up the sheet in the morgue was, along with many other Warner Bros. films of the early 1930s, incorporated into the opening credit's of their 1974 musical MAME.
bearded man becomes disfigured and reconstructs his facial features; later tries to use acid/wax on another character to disfigure/kill them, only to have that character saved in the nick of time.