Question

who is julius caesars best friend
decius Brutus or Marcus Brutus.

Answer 1

Caesar has been a true friend to Brutus

Brutus began to conspire against Caesar with his friend and brother-in-law Gaius Cassius Longinus and other men, calling themselves the Liberatores ("Liberators").

Answer 2

see...I think or in my opinion the most loyal friend of Julius Caesar was Mark Antony..

Marcus Brutus was just a great friend who joins the conspiracy because of his great love for Rome and for democracy...whereas

***Decius Brutus - was a CO- conspirator in Caesar's assassination

hope helped.....!