Intro. It, better known as its own favorite form Pennywise the Dancing Clown (or simply, Pennywise), and alternatively known as Robert "Bob" Gray or The Monster, is secondary antagonist in the Stephen King Mythos.
The creature's real name is unknown, but it is commonly referred to as "it" (pronoun) or "It" (capitalized, substantivized) by members of the Losers Club. It serves as the titular main antagonist of the novel of the same name and its adaptations, and as a minor antagonist in the novels, The Tommyknockers and 11/22/63.
It is a supernatural alien creature who landed on earth after Maturin threw the universe up and settled in the area that would become the town of Derry, in today's Maine. It began to prey on human children every 27 years, malforming itself into their worst fears as this supposedly "salts the meat" and makes them taste far better. It can freely shape-shift into every form, but it favors that of a clown named Pennywise, due to the general universal fear of clowns, and