• Since the episode, "Scary Godparents", they have not appeared again. Mark Chang fled Yugopotamia to hide on Earth from Princess Mandie, he did not bring Jeff and Erik with them and they have not been seen in any more episodes, even those focusing on Mark or the Yugopotamians.
  • They, however, made a cameo in What's The Difference? in a picture with Princess Mandie.
Jeff and Erik

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