Maximus is a fictional character.

Commodus was a real Roman Emperor. The film accurately portrays his love of gladiatorial combat, as well as his vanity and erratic behavior. However, the film's depiction of his death is fictionalized; in reality, he was strangled.

Lucilla was Commodus's sister. The film's portrayal of her political maneuvering is somewhat accurate, though her romantic involvement with Maximus is fictional.

Marcus Aurelius was a real emperor and a Stoic philosopher. The film accurately reflects his reputation as a wise and thoughtful leader, although the circumstances of his death are altered.

Proximo is a fictional character.

Juba is a fictional character.

The film's central plot of a Roman general seeking revenge against Commodus is entirely fictional.

Gladiator contests were popular in ancient Rome, and the film captures the spectacle and brutality of these events.

Historical sources suggest Commodus did participate in gladiatorial contests, though likely not to the extent depicted in the film.

Commodus was assassinated by strangulation in 192 AD. He was not killed in the arena.

The film's visuals and set designs offer a reasonably accurate representation of ancient Rome, though with some creative liberties.

The film depicts gladiator training, but may not fully capture the harsh realities and discipline involved.

The Praetorian Guard were the Emperor's elite bodyguards and held significant power, but their portrayal in the film may be exaggerated.

The film shows the brutality of slavery, but may not fully explore its complexities and nuances in Roman society.