- The "Elemental HERO" designs were mostly based on American super heroes. This monster's design is based on DC comics hero Hawkman and/or the Marvel Comics hero Archangel
- It is also possible that this monster is based on the DC comics hero Nightwing due to almost identical masks and the flying/bird theme they both share, it can also be argued that Avian's presumed position as the leader of his group which consists of Burstinatrix, Bubbleman, Sparkman, and Clayman as seen in the artwork of "Fifth Hope", mirrors Nightwing's as the leader of the Teen Titans.
- The word "avian" is related to birds and flight, hence this monster's appearance and Attribute.
- This monster appears in the artwork of the following cards:
The Fusions of "Avian" gain his powers of flight.
"Elemental HERO Avian" combines with:
- "Elemental HERO Burstinatrix" into "Elemental HERO Flame Wingman", "Elemental HERO Phoenix Enforcer", and "Evil HERO Inferno Wing".
- "Elemental HERO Sparkman" and "Elemental HERO Bubbleman" into "Elemental HERO Tempest".
- "Elemental HERO Bubbleman" into "Elemental HERO Mariner".
- "Elemental HERO Wildheart" into "Elemental HERO Wild Wingman" and "Evil HERO Wild Cyclone".
- "Elemental HERO Burstinatrix", "Elemental HERO Clayman", and "Elemental HERO Bubbleman" into "Elemental HERO Electrum".
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