Tally Man is a villain that has appeared in various media. In fanon media created by 900bv, he appears in the video game Batman: Altor's Demise.
Batman: Altor's Demise
In Batman: Altor's Demise he appears in the side mission Debt Collector. It involves collecting money littered around the city and getting calls from him about his hostages. After getting all of them, he will reveal his final hostage and his location. At the end of the mission, he is killed by Riddler.