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Mettaton, sometimes shortened to MTT, is a robot designed to destroy humans and was introduced in the 2015 RPG Undertale. They were designed by Alphys to help Asgore destroy humans.

Other Forms[]

MettatonEX

Mettaton EX

Mettaton EX[]

Mettaton's most recognizable form, Mettaton changes from its robotic "calculator" like appearance to a much more human like one, giving it new attacks, ranging from leg attacks to disco balls firing lasers. It has a huge loss of durability, yet makes up for it with power. He is 6'4".

Mettaton NEO[]

Dr. Alphys' ultimate creation. It contains all of Mettaton's programming from when he was designed as a human-hunting robot, and is his most powerful form as a result.

Not much is known about this form except a new design, and a cannon on one of his arms, because Chara easily took Mettaton NEO out with a single hit. 

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