Gratus, a soldier of Caligula's bodyguard, who, after the assassination of that emperor, discovered and drew Claudius from his hiding-place in the palace, and presented him to the soldiers as a Germanicus, the proper heir to the empire. * Josephus Antiq. xix. 3. § 1 * comp. Suet. Claud. 10 * Dion Cass. Ix. 1.