
Jeremy Belpois is the genius of the group, being the one who discovered the factory while looking for parts, and introduced everyone in the group to the computer. He is the one who always monitors the group as they are in Lyoko, and alerts them to everything around them. He is the one who designs new programs, powers, etc. He never goes in Lyoko as a fighter, though once went in to alert his friends they were in a fake world and to save them from the clone of Jeremy.
Mountain Sector- The Mountain S
ector is purple with mountains and rocks.
Digital Sea- At first, the Digital Sea is represented as the Out of Bounds area, as anything that goes in it is gone forever. In Season Four, Jeremy makes the Skidbladinir, a ship that can travel the Digital Sea.
Tarantulas- Tarantulas are four legged creatures that have cannons on their two front legs. They prop up on their elbows, then let loose a volley of lasers. They can attack while running, though don't usually because they trip and fall.
Scyphozoa- The Scyphozoa is a jellyfish like creature, specifically designed to absorb Aelita's memories. The Scyphozoa is always surrounded by a group of monsters to act as bodyguards, then wraps the victim up in it's arms, then steals their memory.
Creepers- Creepers are snake-like beings with arms, and a tail instead of a leg. They have no eyes and shoot lasers from their mouth. They are native to Carthage only.
Mantas- Mantas are big manta-like enemies that can be riden to fly around. They can lay bombs shaped like skulls and shoot lasers. William is seen always riding a black one into a fight. Other than William's, they are all blue and are native to Carthage.