• Grudge is the only person who has beaten Aaron Stone at Hero Rising.
  • He had a chip in his neck like Elias, but unlike him, Grudge's could be taken off easily, whereas Elias' couldn't be.
  • His real name, Marc Sean Dworkingham, is a reference to the two writers, Sean Cunningham & Marc
  • Dworkin.
  • unlike powers chip he could feel pain

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