Bakugan Wiki on X: "The final image of the checklist features a brand new, never-heard-of-before Bakugan, "Trunkanious". While it is likely at least related to the Unknown Elephant Bakugan we've seen on
Amazon.com: Bakugan Ultra, Darkus Trunkanious, 3-inch Collectible Action Figure and Trading Card, for Ages 6 and Up : Toys & Games