- Name: Double Rock (ダブルロック)
- Number: MRGR-3
- Height: 1.83 m
- Weight: 1.20 t
- Hardness: 9
- Weapons: Plasma Thunder mace, Bomber Punch, Heat Beam, Freeze Beam
- Transformation: Coal
- Boasts a barbaric personality and monstrous strength to match. Even his allies make fun of him behind his faces.
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