Card Trivia:Evigishki Tetrogre
- "Vylon Tetra" and "Gishki Noellia" were used to Ritual Summon this card. Their combined ATK is equal to 2600, the same as Tetrogre.
- This is supported by the Master Guide 3 card storylines.
- The head of "Vylon Tetra" can be seen on the chest of "Evigishki Tetrogre", and the hair of "Gishki Noellia" can be seen on its head.
- In fact, the Japanese name of this card is "Eviritua Tetraogre" further supporting this.
- This card's Level is 2 Levels higher than "Gishki Noellia", possibly related to how "Vylon Tetra" is a Level 2 monster.
- Curiously, this monster is female, yet she is not an "Ogress".
- The crest of "Gishki Aquamirror" can be seen in the background of this card's artwork.
- This card has the highest ATK of all Level 6 or lower Ritual Monsters, as well as being tied for the second-highest ATK of any Level 6 monster.