Yoshiki Okamoto (岡本 吉起 Okamoto Yoshiki) (born June 10, 1961, in Ehime Prefecture, Japan), sometimes credited as Kihaji Okamoto, is a video game designer credited with producing popular titles for Konami, including Gyruss and Time Pilot, and Capcom, including Final Fight and Street Fighter II. He later founded the company Game Republic. He created the hit mobile games Dragon Hunter and Monster Strike for Mixi.