The tooth fairy is a fantasy figure of early childhood. The folklore states that when a child loses a baby tooth, if he or she places it beneath the bed pillow, the tooth fairy will visit while the child sleeps, replacing the lost tooth with a small payment. The tradition of leaving a tooth under a pillow for the tooth fairy to collect is practiced in various countries in the Anglosphere. Unlike Santa Claus and, to a lesser extent, the Easter Bunny, there are few details of the tooth fairy's appearance that are consistent in various versions of the myth. A 1984 study conducted by Rosemary Wells revealed that most, 74 percent of those surveyed, believed the tooth fairy to be female, while 12 percent believed the tooth fairy to be neither male nor female and 8 percent believed the tooth fairy could be either male or female.
Contributions by PierreAbbat, Groosham Granger, and BOTijo.