Traximus is a Triceraton gladiator and resistance fighter who was imprisoned by by his Prime Leader when he spoke out against Prime Leader Zanramon. He became a loyal friend to the Ninja Turtles after they convinced him that his honor can be redeemed.
Traximus will appear as a boss Underneath the Arena. He will also appear in the Battle Nexus Tournament. Traximus is very strong. He will often walk around and try to take the player down by rushing at them. He will also try to hit them with his shockwave slash attack. He jumps up and readies his axe and slashes - releasing a shockwave that can stun the player. Another attack is when he lashes with his tail. If you attack him closely, he will try to slash at you. He will first slash horizontally and finish with a spin slash. He can also sometimes grab the player with his axe and throw you all over the room.
Traximus is playable character in the game.
Traximus formed the Rebellions and appears as an NPC.