- "Guardian Eatos" is a female character, but her French and Italian names refer to her with the masculine forms of the words for "Guardian", even though there are feminine, game-compatible forms.
- This monster appears in the artwork of "Guardian Formation".
- Of the Equip Spell "Guardian" monsters, this card has the longest gap between its anime debut and real-world release. It is also the only one whose corresponding Equip Spell Card was not released at the same time it was and thus one of two such "Guardian"s that does not need that Equip Spell face-up to be Summoned.
- The alternative name of Eatos, Aetos, means "Eagle" in Greek, though "Aetos" is a masculine word, while this monster is female. (However, as word-gender and true-gender are independent for non-person entities in Greek, female eagles would also be referred to as such.)
- This card resembles both an Angel and a Native American warrior.
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