We all make typos. Spelling mistakes range from the harmless to the disastrous, and they are almost impossible to get rid of. But what can typos teach us? What do they reveal about language and the human mind? This episode explores the hidden history of spelling mistakes, delving deep into their demonic past and discovering the forgotten origins of the Demogorgon, an ancient monster brought back to fame by the TV series Stranger Things. Hosted and written by Sophus Helle. Sound editing by Simone Nystrup-Larsen. Edited by Andreas Lindinger Saxild. Find out more at sophushelle.com/monkeymind.