William Spetz (born April 4, 1996) is a Swedish comedian who is known for his vlogs on YouTube. In his videos, William tells the viewer about his life, his thoughts and musings. Often he does skits in which he plays all the roles. His videos involve, for example, a sadistic PE teacher, common conflicts in the family, and William's view of society. He has been creating and uploading videos since he was about fourteen.