Esme Squalor is a character from Lemony Snicket's A Series of Unfortunate Events. She is depicted as a wealthy and fashionable woman who is obsessed with trends and status. Esme is often seen wearing the latest styles and is known for her catchphrase, "In," which reflects her fixation on what is currently popular. Esme plays a significant role in the story, particularly in The Penultimate Peril. She is the antagonist who prioritizes her social standing over the well-being of others, including the Baudelaire orphans. Her character highlights themes of materialism and the superficial nature of high society.