Who was Brutus in the federalists papers?

Brutus was the pseudonym used by an anonymous Anti-Federalist writer who opposed the ratification of the U.S. Constitution. Through a series of essays, Brutus argued that the Constitution would lead to a centralization of power that could threaten individual liberties and state sovereignty. The essays emphasized concerns about a large republic being unable to represent diverse interests and warned against the potential for tyranny. Brutus's writings contributed significantly to the debate over federalism and the nature of government in the early United States.