The name Brutus is a boy's name of Latin origin meaning "heavy, dull". Brutus and is often added to lists like Unique Baby Names: Unusual and Rare and discussed in our forums with posts like "Rotating Sibling Sets".
From the experts:
Brutus is the quintessential brute--far too close to the word brutal. And any child with this name would spend much of his life hearing "Et tu."
Originally an old Roman family name, borne by Marcus Junius Brutus, one of the assassins of Julius Caesar, who spoke those famous dying words to him.
Save Brutus for your dog and consider Bruno instead.