It uses for gliding, like a flying squirrel. Varan also has a row of spines on his body. Varan also has the ability to emit a sonic beam from his mouth, and also what appears to be a ball of energy, that he can fire out of his mouth.
Destroy All Monsters
Godzilla: Monster of Monsters
Varan is an Earth Defender and was allies to them and foes with Aliens, Also it was allies to GDF and foes to Mutants.