Production I.G., Inc. is a Japanese animation studio. Headquartered in Musashino, Tokyo, Production I.G was founded on December 15, 1987, by producer Mitsuhisa Ishikawa and character designer Takayuki Goto as I.G Tatsunoko, a branch studio of the animation giant Tatsunoko Production, changing its name to the current Production I.G in September 1993. The letters I and G derive from the names of the company founders.