https://www.youtube.com/watch?v=nGfoh7lMPa8
Gravedigger ^^
https://en.wikipedia.org/wiki/William_Brodie
https://de.wikipedia.org/wiki/William_Brodie
https://en.wikipedia.org/wiki/Strange_Case_of_Dr_Jekyll_and_Mr_Hyde
http://inflation.iamkate.com/