Sudou Tatsuzou

A character from the Person 2 duology.

Season 0
The Japanese Foreign Minister, he's a powerful man and holds relationships to the Sonozaki Family and it's patriarch Steven Sonozaki. Sudou offers support to Matou Kariya's attempt to control the Sonozaki, although in reality, his plan is to simply use him.

When he meets Kiryu Kazuma at the Millennium Tower, Sudou reveals he's betraying Kariya and the Sonozaki and attempts to kill Kiryu, but Kariya stops him, and despite Sudou fatally wounding him, Kariya uses his magecraft to blow themselves up along with the money.

Episode 11
However, he was being funded and used in turn by a man known as "Rob Wellington" and used the money on contacts inside Coolsville's police to keep the Keyboards Incident going.