Bootleg is the Omnitrix's DNA sample of a Galvanic Mechamorph from Galvan Prime's moon, Galvan B.
Bootleg has a black exterior, grey interior and his circuitry pattern is white, while glowing a bright grey. His body is made up of billions of small cell-like creatures called nanites, but not the Mutant Rex kind of nanites. His eye glows when he talks, although imperceptible on the comic, and he wears the Omnitrix symbol on his chest.
Powers and Abilities
Bootleg is not completely solid, as he can be both liquid and gelatinous. The nanites in his body are what allow Upgrade to reshape and move like liquid even though he's a solid being. Due to this, he can reshape himself to let projectiles or blows pass through him by creating a hole in his body at will.
Bootleg can use his internal nanotechnology to merge with and possess any technology by encasing himself over it. The size of the device is not significant and he controls it as naturally as he would his own body. When he merges, he upgrades the technology, making the technology he possesses far more advanced and futuristic, causing new features to form. After he unmerges with a machine, it returns to normal. Bootleg's technological possession can work on non-electrical machinery, and this ability extends to even sentient beings that are mechanical in nature, like a Chronosapien.
Possessing technology allows Bootleg to transform it with seemingly no limit, such as merging with a baseball pitching machine and turning it into a tripod-like robot that fires a seemingly infinite amount of baseballs. Bootleg can make his head or face appear anywhere on the machines he possesses.
Bootleg can merge with organic beings, as long as there is machinery integrated within them, such as Upgrade did with Rojo and Rex, and he can enhance certain devices, such as Rook's Proto-Tool, just by touching them.
By energizing his biomechanical blood, Bootleg can launch a powerful green energy blast from his eye. Bootleg can form energy constructs such as an energy spike, though mostly while merged with machinery and upgrading them into weapons.
Being living metal, Bootleg is weak against electricity such as those generated by Nosedeenians and Conductoids. Bootleg is sensitive to electromagnetic pulses/fields and magnetic fields.
Bootleg can also be hurt if he is pulled and stretched hard enough, as shown when Upgrade was being pulled and stretched by Dr. Animo's Mutant Squid. He can be affected by technorganic viruses and is weak against acid.