- Marcus Junius Brutus (/ˈbruːtəs/; Latin pronunciation: [ˈmaːrkʊs juːniʊs ˈbruːtʊs]; c. 85 BC – 23 October 42 BC) was a Roman politician, orator, and the most famous of the assassins of Julius Caesar. After being adopted by a relative, he used the name Quintus Servilius Caepio Brutus, which was retained as his legal name. He is often referred to simply as Brutus.