Erik Gieszelmann is a fictional character portrayed by Billy Mitchell in the TV series Supernatural.
They appear in 1 episodes out of a total of 327 aired
Episodes1
All Dogs Go to Heaven
episode S6.E8 november 2010Crowley forces Dean and Sam to bring him an alpha monster. They go after a skinwalker, who plans to infiltrate his people into homes disguised as dogs and then have them all bite and transform their owners, creating a growing army.