1928, horror writer W.F. Harvey creates the evil creature with the five fingernails in his book "The Beast with Five Fingers"
(Project Gutenberg free copy: http://www.gutenberg.org/files/15143/15143-h/15143-h.htm#Beast).
Since then it has made numerous appearances in film.
The Beast with Five Fingers (http://www.imdb.com/title/tt0038338/)
The Exterminating Angel (http://www.imdb.com/title/tt0056732/)