The Naga is a boss from A Popular Minecraft Mod: Twilight Forest, It is one of the bosses added, It looks like a green serpent with red eyes, also has sharp teeth, one of it's body parts explode after the player attacks it, It is found in a bush maze, Where The Naga was kept from intruders and that includes the player.
In the New version, The Naga allows to have Snake like eyes when it was very furious.