Nimuge is the main antagonist of Doraemon: Nobita and the Animal Planet.
Nimuge troop are the human in the red planet near the Animal Planet. In the past around ten thousand years ago the animal's ancestors lived together with Nimuge on that planet and were harassing by them. The god, who is the scientist, was pity so he took the star ship to the planet nearby and grew plants and made that planet livable. On New Year's Eve he blew the "Sleep Flute" to make all Nimuge sleep, then he connected both planets with the "Stairway of Light." (the pink mist)
One of the Nimuge Clan has seen the animal planet, which is very beautiful. The next day they attack the animals to conquer that planet. Nobita and his friends get the phone from Chippo that Nimuge attacked them. Nobita would like to save the animals but no pink gas left. Fortunately, the bluebell Nobita collected from that planet has been modified to be the bookmark, so all five take the Emergency Spaceship to visit the Animal Planet, but it's too late. Nimuge destroys a part of the city. Five of them are searching for Chippo in the city. Chippo tells five that morning there are some saucers dropped the bombs as a downpour. After a bit, Nimuge fly back to their planet and kidnapped Romi.
Nobita and friends are following Nimuge, but the ship goes back to the planet and falls into the river. (In Manga the ship is shot by Nimuge.) All are facing the forbidden forest and meet burgers. At night Nobita and friends are finding the Star Ship. Doraemon gives Nobita the Lucky Moon to make him very good luck for three hours. After finding the Star Ship Gian pushes Nobita down to the ship; suddenly it flies to the Nimuge's planet. Nobita can save Romi and go back to the planet in three hours.
The next day Doraemon and the burgers are preparing and fight with Nimuge. However, at last, the boss commands to burn the forest (using a few saucers in the movie and the giant tank in Manga). Doraemon uses the mini rain clouds to extinguish the fire (in Manga the Federal Police do instead) and all of Nimuge Clan are arrested.