• Name: Groguillon (グロギロン Gurogiron)
  • Nickname: Number Four (ナンバーフォー)
  • Voice: Show Hayami
  • Weapon: Stated to be a Wolf Teeth Club (狼牙棒 Láng-Yá Bàng), but resembles the Nine-Tooth Spike-Rake (九齒釘耙 jiǔchǐ dīngpá).
Forms the Torso of Devil Satan 6. He can fire powerful beams from his shoulders.
His Gobots counterpart is Heart Attack.
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