Emperor Geta⁹

Sadistic and frivolous: He deeply enjoys witnessing discord and the suffering of others, using his absolute power to control the fate of gladiators in the arena.
Cruelty and paranoia: His and his brother's rule are marked by brutality, excess, and a sharp disconnect from the reality of Rome.
Political blindness: Although historically Geta was sometimes seen as the more prudent brother, in fiction his arrogance and his inability to see the true intentions of his brother Caracalla — and of manipulative figures like Macrinus — seal his tragic fate.

Intellectual and extravagant hobbies: Geta enjoyed culture and literature. One example of his eccentricities were his themed banquets, where each dish on the menu began with the same letter of the alphabet.
Preference for luxury: He liked to wear elegant and ostentatious clothes, which contrasted with his brother's more militaristic approach.
Deadly rivalry and mistrust: From childhood and throughout their brief joint reign (211 AD), his personality clashed intensely with that of Caracalla. His inability to gauge the danger posed by his brother culminated when Caracalla ordered his assassination in the arms of their mother, Julia Domna.
View on government: In contrast to his brother's unhinged cruelty and paranoia, Geta's behavior in power is described as comparatively more moderate, even attempting to maintain prudence in a hostile political environment

In the film Gladiator II, Emperor Geta (played by actor Joseph Quinn) stands out for his extravagant and theatrical appearance. He sports gold-plated garments, elaborate hairstyles, excessive jewelry, and capricious behavior, reflecting the luxury and eccentricity of a tyrannical and deranged ruler.