Konami

Konami Holdings Corporation, commonly referred to as Konami, is a Japanese entertainment company. It operates as a product distributor (which produces and distributes trading cards, anime, tokusatsu, slot machines and arcade cabinets), video game developer and publisher company. It also operates health and physical fitness clubs across Japan.

Konami is famous for popular video game series such as, Castlevania, Suikoden, Contra, Frogger, Gradius, Goemon, Metal Gear, TwinBee, Rocket Knight, Airforce Delta, Silent Hill and Yu-Gi-Oh! among others.

Konami was also behind the Mitsumete Knight franchise.