His right forearm is replaced by what appears to be a cannon, pauldrons clad his shoulders, which are shaped like legs and are longer than his arms, and he has wings on his back. His long black-clad legs end in pink high-heeled boots.Īfter being confronted by the protagonist on the Genocide Route, Mettaton transforms into Mettaton NEO, which resembles Mettaton EX, but has a more combat-oriented design, however Mettaton NEO can be killed by a single attack and has no attacks of his own. The chest piece has what appear to be a speaker and some knob or gauge, while the waist has two parts that seem to act as a locking mechanism that holds his 'heart-shaped core,' as they both lose white pixels during his 'heart-to-heart' attack. He has a pink chest piece, a narrow metallic waist with a box contraption, and black shoulder pads above his segmented arms, which end in gloves. In this humanoid form, he has black hair with a long fringe that seems to cover his right eye, pale 'skin' and visible metal segments below and above his left eye. He has two segmented robotic arms which end in white gloves.Īfter having the switch on his back flipped in the Neutral or True Pacifist Route, Mettaton transforms into Mettaton EX a new body he specially requested Alphys make for him. He has four dials along the bottom of his body, and the bottom, he has a single leg which ends in a wheel.

The grid of lights can change colors between red, yellow, green, and blue, and Mettaton uses these color changes in place of facial expressions. Mettaton originally appears as a gray, largely rectangular box with a 4x5 grid of rectangular lights at the top, similar to the mechanism in Snowdin Forest used for Papyrus's Tile Puzzle.

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