Hydro Hog, who appeared in Mighty Morphin Alien Rangers, is the nemesis of the Aquitian Rangers. He was known as the Emperor of the Dark Waters on Aquitar for his evil ways. He was known for having destroyed many planets he was summoned by Lord Zedd to drain the earth of water though he overpowered the Aquitian rangers at first they recovered and engaged the monster for the last time Zedd and Rita than made the hydro hog grow and he became stronger than before.
The Hydro Hog was too powerful for the Aquitian Rangers to defeat in the shogun zord, and he even withstood the Shogun Megazord's Fire Saber with no difficulty and soon knocked them down his victory seemed certain. However, hydro hog was attacked by the falcon zord which combined to form the Shogun Megafalconzord allowing the alien rangers to destroy the hydro hog once and for all.