The Mad Murderer X is a Robloxian action series. It is a revival and sequel to The Mad Murderer which aired from 2014 to 2020. It premiered on Bloxflix on December 22, 2021 and was teased in July 2021. It was created by the creators of the previous series of the same name, nettimato and Loleris, and produced by MAD Studio. The series is set in an Ro-Italian town.