Trivia[edit | edit source]
- 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
- unlike powers chip he could feel pain
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