Stonecipher LaVache Beadsman (also known as the Antichrist, Stoney, and LaVache) is a character in The Broom of the System and brother of the protagonist, Lenore Beadsman.
LaVache, commonly known by his friends at college as the Antichrist, has an artificiate leg because of an incident at his birth. In the context of the story, an older collegiate LaVache sells various drugs out of his fake leg.