Molt is a major antagonist in Pixar's second full-length animated feature film, A Bug's Life.
He was voiced by Richard Kind.
Molt is Hopper's younger brother and former member of his ruthless Grasshoppers gang. Unlike him, he is dim-witted, naive, cowardly but friendly with those around him. Moreover, he is not purely bad but just ignorant and is only content to follow his brother's orders. His good personality is finally shown at the end of the film when he joins P.T. Flea's circus troupe, redeeming himself for his actions. Throughout the film, he is molting and loses his skin, hence its name, and loses it entirely while fleeing the final fight against the ants.
Molt first appears with the gang in Ant Island when they discover that there is no food on the offering stone. The grasshoppers therefore destroy the galleries to claim food with Molt who tries in vain to scare. As Hopper explains how food harvesting works, Molt interrupts him by recounting how Hopper was almost devoured by a blue jay, much to his brother's annoyance. The latter grabbed Molt by the antennae and said that if he hadn't sworn to their mother that he would never kill him, he would have done it a long time ago, a gesture that Molt appreciates to his relief. Hopper adds that he doesn't want him to talk the entire time on the island and hits a grasshopper to vent his anger against Molt. After demanding a double ration of food, Hopper and the grasshoppers leave and Molt bumps into the top of the gallery before leaving too.
The next time Molt reappears, it's at the Grasshoppers' hideout where he's chatting with Axel and Loco. The two convince him to dissuade Hopper from returning to Ant Island. Enraging his brother by coming up with the idea, Molt cowardly reveals that it was their idea. Hopper therefore murders Axel and Loco and explains the dangerousness of a much larger ant rebellion and therefore the usefulness of having to terrorize them and the whole gang therefore flies to the island.
There, the harvest is not complete and Hopper mobilizes all the ants to work and Molt encourages them not to provoke his fury. In the evening, the grasshoppers eat all the food they've harvested while the Circus Bugs come in to entertain them, which is very pleasing to Molt who seems the most amused. That's when Flik's fake bird flies over the scene, terrorizing a few fleeing locusts as Hopper hides behind Molt.
Because of P.T. Flea, the bird burns and crashes, causing Hopper to fatally strike Flik with Thumper, to the shock of the ants and even Molt. However Flik's speech causes the ant colony to rebel against the grasshoppers and attack them. Molt molts completely, shedding the old skin off his body before hiding in the ferns.
With the defeat of the Grasshoppers and the death of Hopper, Molt, reformed, decides to join the circus troupe of P.T. Flea. He brings up the flea benefits of choosing him but is ignored and locked in the wagon, Molt telling himself to shut up. This is the last time he is seen and then leaves Ant Island with the Circus Bugs under the goodbyes of the whole colony.