Hironobu Sakaguchi is a Japanese video game designer, director, producer, writer, and film director. He is best known as creator of the Final Fantasy series, which he conceived the original concept for the first title Final Fantasy and also directed several later entries in the franchise, and has had a long career in gaming with over 100 million units of video games sold worldwide. He left Square Enix and founded a studio called Mistwalker in 2004.