- When this card was released in the TCG, the cannons were recolored to look less realistic. Also, in Yu-Gi-Oh! Duel Monsters II: Dark duel Stories, Yu-Gi-Oh! Dark Duel Stories, and Yu-Gi-Oh! Duel Monsters 4: Battle of Great Duelist, this card was drawn with a different artwork.
| Fortress Whale |
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 Duel Monsters II: Dark duel Stories, Dark Duel Stories, and Duel Monsters 4: Battle of Great Duelist artwork  Manga artwrok  OCG artwork  TCG artwork |