The ultimate fate of Caesar Flickerman, the flamboyant host of the Hunger Games, is not revealed in the books or films. However, there is speculation that he was executed alongside the other former elites after the war. In a fanon wiki, it is mentioned that Caesar was arrested shortly after the death of Coriolanus Snow and Alma Coin, and his trial took place, but it is not clear what happened to him after that. In summary, it is unknown what happened to Caesar Flickerman after the events of the Hunger Games.