Fox Theatre possessed

An unknown man found in the Fox Theatre is the last known human possessed by Mnemoth before being trapped in the body of Gary Lester.

Biography
After escaping Jo demon Mnemoth ended up possessing this man's body, forcing him to consume large quantities of popcorn in the building of Fox Theatre when John Constantine and Gary Lester arrived, exorcising him and trapping for good in the body of the latter.

Behind-the-scenes

 * Out of all characters possessed by Mnemoth, this individual is the only one who was not named somewhere in the episode - Ned Pepper, Jo and Dave were identified by their uniforms, while Okot and Leanne were named in the end credits of the episode.