Card Trivia:Penguin Knight
- This card has a recolored counterpart: "Penguin Soldier".
- This monster and/or "Penguin Soldier" appear in the artworks of "Battle x 2", "Diamond Dust", "Drop Exchange", "Penguin Sword", "Soul Connection".
- This is the only card in the game to use the word "unite". "Fiber Jar" and "Monster Recovery" used to have that word before being reprinted with Problem-Solving Card Text.