Caligula was a Roman emperor known for his extravagant lifestyle, cruelty, and alleged madness, which led to his assassination in 41 AD.
Galba was a Roman Emperor from 68 to 69 AD, known for his brief reign during the tumultuous Year of the Four Emperors.
Otho was a Roman emperor who reigned for just a few months in the year 69, ultimately falling in the tumultuous power struggle known as the Year of the Four Emperors.
Vespasian was a Roman Emperor who stabilized the empire after a tumultuous period, initiating the Flavian Dynasty and leaving a lasting legacy.