Atlus West, formerly known as Atlus U.S.A., Inc., is the North American publishing branch of Japanese video game company Atlus, primarily known for localizing games for both them and other third-party developers. Its first original role-playing game was Revelations: Persona on the PlayStation, described by staff as an attempt to break into the Western role-playing game market and establish the company's Megami Tensei franchise through its Persona sub-series.

Atlus Co., Ltd. is a Japanese video game developer, publisher, arcade manufacturer and distribution company based in Tokyo. A subsidiary of Sega, the company is known for video game series such as Megami Tensei, Persona, Etrian Odyssey, and Trauma Center, as well as Print Club (Purikura) arcade machines. Its corporate mascot is Jack Frost, a snowman-like character from their Shin Megami Tensei series. Outside of video games, the company is known for their Purikura arcade machines, which are selfie photo sticker booths popular in East Asia.