How do you know what you know about roman gladiators?

My knowledge about Roman gladiators comes from a variety of historical texts, archaeological findings, and scholarly research. Ancient sources such as writings by Pliny the Elder and Suetonius provide insights into their lives and the societal context of gladiatorial games. Additionally, modern historians and documentaries have analyzed these sources to reconstruct the realities of gladiatorial combat and culture. This combined information helps paint a clearer picture of their significance in ancient Roman society.