- Eira's name (エリア Eria) probably comes from the Japanese akueriamu "aquarium" or Akueriasu "Aquarius".
- Eria's familiar is "Gigobyte".
- Eria became a Water Spirit Bearer not long after "Gagagigo" became "Giga Gagagigo" and lost his heart and redemption.
- Eria and Lyna are the only charmers seen holding their staffs right-handed in their flip effect forms.
- Eria is featured on "Spiritual Water Art - Aoi".
- Out of the six Charmers, Eria's familiar is the only one who is Level 1.
- Eria has two advanced forms; "Familiar-Possessed - Eria" and "Raging Eria".