For trivia pertaining to this monster's Number, see Forum:"Numbers" Xyz Monster Trivia. Any contributions regarding this type of trivia should be placed there, instead of this page.
- This monster is the cover card for Shadow Specters.
- This monster appears in the artwork of "Chaos Alliance".
- This card and "Number C65: King Overfiend" are the first "Number C" monsters to have a Rank below 4.
- These two numbers are also the first Rank 3 Monster Cards that can be Summoned with a "Rank-Up-Magic" card.
- Unlike other "Number C" monsters, this card's color (black) stays the same after evolving from its base form.
- However, the monster's form undergoes a much more drastic change than most "Number C" monsters. While its original form had a humanoid shape, this card bears an animalistic appearance, resembling a wolf or some other quadrupedal beast.
- This monster is the second Fiend "Number C" monster, the first being "Number C65: King Overfiend".