Ibsen's Mechanical Hippo is a massive war machine, resembling a real life hippo, controled by Professor Ibsen. Originally appeared from the animated television series Jumanji, the Mechanical Hippo makes a slight appearance in the second Disney vs. Non-Disney Villains War.
Disney Vs Non-Disney Villains War - Part Two
Ibsen summons the Mechanical Hippo, as his trump card, to deal with Dr. Doofenshmirtz and the robotic creations of his partner, Norton Nimnul. The Hippo does not hesitate to step forward, destroying the robotic creations of Nimnul, while also knocking Doofenshmirtz out of a building to his demise. The hippo does not make another appearance.