William Afton, better known by his fake name Dave Miller, is the main antagonist/deuteragonist of the Dayshift at Freddy's trilogy.

He serves as the main antagonist or deuteragonist of Dayshift at Freddy's and Dayshift at Freddy's 2 depending on the choices made by Jack, and as the deuteragonist in Dayshift at Freddy's 3 while his feral side DaveTrap is the secondary antagonist.