- This monster is an evolved version of "Three-Legged Zombies".
- This monster appears in the card artwork of "Uni-Song Tuning".
- This card's name is possibly a multi-layered pun.
- "Uni-" in its name can refer to the fact that the two zombies work as a single unit to move around, as seen in the artwork of "Three-Legged Zombies".
- More clearly seen in this card's Japanese name, this card's name is a pun between "Uni-Zombie" (ユニゾンビ) and "unison" (ユニゾン). This is reinforced by the fact that the 2 zombies in this card's artwork are attempting to sing together.
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