TV-Series
Description
Goldy Marg, designated GMX-GH101, is a G-Tool Multi-Robot engineered by GGG as the sole carrier and handler for the Gravity Shockwave Generating Tool, the Goldion Hammer. This critical function prevents severe recoil damage to GaoGaiGar when directly wielding the hammer. His name derives from the construction concept "G-tech Origin Resisting and Damage control Idea" (G.O.R.D.I). Standing 25.5 meters tall and weighing 625 tons in robot mode, Goldy Marg boasts a physically robust design. He executes a System Change into the GoldyTank configuration, measuring 24 meters long while maintaining his weight. This tank form integrates the Marg Cannon, a Fusion Beam Cannon built into the Goldion Hammer's handle, operational in both robot and tank modes.

His activation occurred unexpectedly when a falling cable jumpstarted his systems during EI-21's gravity-amplifying assault, which immobilized GGG forces. Leveraging high GS-Ride output and extreme durability, Goldy Marg navigated the intense gravity field. He deliberately destroyed the Space Development Center's observatory, causing its collapse onto EI-21 to neutralize the gravity effect and liberate GGG. GaoGaiGar then combined with Goldy Marg to deploy the Goldion Hammer and annihilate the Zonder. Goldy Marg's Super AI replicates Lieutenant Geki Hyuuma's neural patterns, manifesting an arrogant, boastful, impatient, and stubborn personality. This likeness frequently sparks disputes between Goldy Marg and Hyuuma over duties and battlefield tactics.

During the Osaka conflict with Repli-Star GaoGaiGar, the original Goldion Hammer was destroyed by Repli-Mamoru's Hell and Heaven attack, physically obliterating Goldy Marg. His Super AI endured, embedding itself into the Gravity Shockwave Generating Division Tool "Goldion Crusher," a role originally planned for him. The Goldion Crusher deployed once against Pisa Sol, sacrificing itself to destroy the target. The resulting backlash obliterated the Crusher, but the head unit containing Goldy Marg's AI remained functional. This unit later appeared, bidding farewell to Ikumi and Mamoru alongside other GGG members.

Within the universal embryo, the Triple Zero's regenerative power restored Goldy Marg to his original physical form. Following defeat by GaoFighGar and subsequent purification, his Super AI transferred into the Goldion Double Hammer. Post-upgrade, he demanded the designation "GoldyDoubleMarg." His AI was later integrated into the Goldion Armor.

Functionally, Goldy Marg combines with Super Mechanoids like GaoGaiGar, Star GaoGaiGar, or GaoFighGar. In this "Arm Connect," his head unit—housing his AI core and GS-Ride system—detaches from the Goldion Hammer. Simultaneously, his body transforms into the Marg Hand, attaching to the Super Mechanoid's arm. This enables the pilot to safely wield the Goldion Hammer, shielding them from its energy feedback. The hammer generates a custom shockwave upon impact, transmuting contacted particles into photons at a subatomic level, granting high efficacy against Zonder Robos. Its power was nonetheless blocked by Repli-Star GaoGaiGar's Hell and Heaven and Zonuda's barrier. Goldy Marg can also permit sufficiently powerful robots like King J-Der to temporarily wield the hammer, altering its appearance to silver as the "Silverion Hammer."

Beyond his primary role, Goldy Marg displays exceptional resilience. His Ultra G-Armorment allows operation under amplified gravity, survival of point-blank bomb explosions, endurance of extreme falls, and vertical surface traversal, earning recognition from GGG engineers like Leo Shishiou for sturdiness. He also executes a combination attack with Dag-Drill named "Gori-Marg," featured in the video game Brave Saga 2, where he hurls Dag-Drill at an enemy.