Ivan Tsurugi/Great Mazinger

Evolved Form: Mazin G Emperor

Hilbert Fleed/Grendizer

James Nagare, Makoto Jin and Leo Tomoe/Getter Robo

Alternate Modes:

Getter-1 (air combat, and the most balanced)

Getter-2 (land combat and the fastest)

Getter 3 (underwater combat and pretty powerful)

Final Form: Getter Robo (Devolution) a.k.a. Getter Emperor