knee, a metal tip is shown from his knees, in order to make his knee strike more powerful. However, this weapon is used rarely. Great Booster - グレート ブースター: Great Mazinger's best weapon and improvement. A separated jet is built and dispatched from the base, to fuse with great Mazinger "Scranduru Jet" and to improve his top speed. This improvement is also a weapon because it can be dispatched from Great Mazinger to the enemy, destroying it at impact. His sharpened wings may cut through enemies. The Great Booster is equipped with laser cannons, rarely used. See also UFO Robot Grendizer tai Great Mazinger Grendizer, Getter Robot G, Great Mazinger: Kessen! Daikaijuu References External links Information of Great Mazinger in Toei Animation; in 1974 anime television series debuts 1974 manga Discotek Media Fuji TV original programming Kodansha manga Shōnen manga Super robot anime and manga Toei Animation television