Dennis Mann is a character featured in Escape the Night Season 1. He is known for giving out the artifacts. After the episode, 'Freak Show', it is unknown where he went, as he is never seen past that episode. He is mostly known for the, 'Months Before the Guests Arrived' sequences.
The Ungodly Machine (Episode 2)
Dennis is seen in Episode 2 by the Ungodly Machine in the basement. He gives the Mad Scientist the first artifact to power the machine, saying it's better best un-retrievable.