Pennywise is a fictional character from Stephen King's horror novel It, first published in 1986. This shape-shifting entity often takes the form of a clown, which is particularly unsettling for many people. Pennywise primarily preys on children in the fictional town of Derry, Maine, using their fears against them. The character is known for its bright, colorful appearance, which contrasts sharply with its sinister nature. In addition to the novel, Pennywise has been portrayed in various adaptations, including the 1990 miniseries and the 2017 film, both of which have contributed to the character's popularity in popular culture. The character symbolizes the darker aspects of childhood fears and trauma, making it a compelling figure in horror literature and film.