Metal John

Metal John is a robot that serves Dr. Eggman, his creator.

History
Metal John is technically the Naljian Destructor, a piece of 20+ technology that Eggman happened to find. Knowing that it takes on the form of anything it sees, Eggman used his intelligence, and was able to link it to the wireless signal sent from Primus to the Omnitrix. This turned the Destructor into John's form, and Eggman named it Metal John.

Appearance
Being linked to the Codon Stream, and with John's form being the default form, Metal looks exactly like John Smith.

Powers and Abilities
Originally, the Naljian Destructor turns into anything it sees, mimics it, and uses a duplicate form of the person's powers. However, being linked to the Codon Stream, Metal can turn into any alien that is in John's Omnitrix, and successfully use their powers. It seems to also have a form of artificial intelligence that allows it to transform into a suitable alien for the circumstances.

Aliens forms used

 * Jetray
 * Echo Echo
 * Heatblast
 * Wolf Bane
 * Way Big
 * Swampfire
 * Wildvine
 * Water Hazard
 * XLR8
 * Shocksquatch
 * Stinkfly
 * Cannonbolt
 * Big Chill
 * Lodestar
 * Four Arms
 * Gravattack

Appearances

 * Trip to Naboo
 * Hunter Becomes the Hunted
 * Attack of the Clones
 * Crystal Mercenaries (episode)
 * Metal John (episode)

Trivia

 * Metal John is based off of Metal Sonic from the Sonic the Hedgehog series.