The Marxio Kart is a hovering vehicle operated by the Marxio Brothers in Issues 42 and 43 of Sonic the Comic during the fourth and fifth parts of Carnival Night Conspiracy. The Marxio Kart has two forms. Its standard mode appears to be a triple-module hovercraft with one of the Marxios riding each module. The central module (Grouchio's) is adorned with a metallic clown face. When switched to combat mode, the vehicle transforms into a spherical combat mecha with two huge arms and a ridiculous assortment of heavy weapons. The clown face also frowns menacingly. The Marxio Kart's combat mode somewhat resembles Doctor Robotnik's Squeeze Tag Machine. The Marxio Bros. attempted to kill Knuckles the Echidna with this machine and nearly succeeded, but Knuckles managed to defeat it by burrowing unde