- Barring Ritual Monsters, this card is the first Main Deck Fiend monster that cannot be Normal Summoned.
- This is the "Toon" counterpart to "Summoned Skull".
- In this card's artwork, the torso of "Toon Summoned Skull" appears to extend outside of the artwork's border.
- In the anime, his torso extends to the inside of "Toon World", and is frequently seen attached to it.
- In video games where monsters appears outside their cards, "Toon Summoned Skull" is shown to have normal legs.
- Unlike most Toon monsters, which retain the color scheme of their original counterparts, "Toon Summoned Skull" is completely turquoise, unlike the original, who has multiple different colors.