* This card is named after the letter Delta, the fourth letter of the [[wikipedia:Greek alphabet|Greek alphabet]].** The Roman numeral engraved on its chest (IV) indicates this order.* The triangular ring on this monster's back resembles the uppercase Delta "Δ".** Also, while the rings at on its wings arms resemble the lowercase Delta "δ".*This is was the 1st "[[Vylon]] " monster to be released into the [[TCG]] as of now.* It is the only [[Vylon]] Synchro Monsters that have more DEF than its ATK.