The Roman general and consul, Sulla, cast the die for the fall of the Roman Republic. Sulla was the first Roman consul to march on Rome, which he followed by an almost full seizure power over the Republic. Sulla redeemed himself in 81BC by relinquishing the powers he had seized and reinstating the Republic, but his actions were the model followed soon afterward by Julius Caesar. Julius Caesar marched on Rome in 49BC but did not reinstate the Republic and democratic rule was lost.
(c. 30-40 CE) Gnaeus Domitius Ahenobarbus (15 BCE - 40 CE), Roman consul and grand-nephew of the Emperor Augustus, brother-in-law and second cousin of Emperor Caligula; maternal cousin of Emperor Claudius and the biological father of Emperor Nero.
Lucius Junius Brutus - the founder of the Roman Republic and traditionally one of the first consuls in 509 BCE. White marble. 1st — early 2nd cent. C.E.? Naples, National Archaeological Museum. Origin: From the Farnese collection.
Member of Theodoric the Amal's personal bodyguard. Troops who helped the Ostrogothic King to usurp Italy from Flavius Odoacer's forces (admittedly by treachery, after a military stalemate). Sent by the Emperor Zeno to 'reclaim' Italia for the Empire, Theodoric ruled the province as a Roman consul.
Quintus Fabius Maximus Verrucosus Cunctator 280 BC – 203 BC) was a Roman politician and general, He was a Roman Consul five times and was twice appointed Dictator, He reached the office of Roman Censor in 230 BC. His agnomen Cunctator (cognate to the English noun cunctation) means "lingerer" in Latin, and refers to his strategy in deploying troops during the Second Punic War. He is widely regarded as the father of guerilla war which was something new at the time.