Goldymarg Marg is a supporting character in the anime series Yuusha-Ou GaoGaiGar. Goldymarg is an intelligent, sentient robot who transforms into the Goldion Hammer, a powerful weapon used by the protagonist GaoGaiGar. As a loyal ally to the GGG team, Goldymarg demonstrates bravery and a humorous personality, often lightening tense moments. He plays a vital role in battles by assisting in the execution of the finishing move, and his interactions with other mecha and humans add depth to the team dynamic.