In Sonic the Hedgehog Spinball, an early version of the Roboticizer called the "Veg-O Machine" appears in The Machine. However, rather than roboticizingAnimals, it is "robotizing" them―trapping them inside robots to serve as their power sources, like the Badnik-producing procedure. As such, it cannot be considered a true Roboticizer.
The Veg-O Machine is found at the end of The Machine where tubes connected to it send Animals inside it to be turned into robots. In gameplay, the player first has to break the tubes to let the Animals escape. After this, the player can destroy the Veg-O Machine from the inside by entering the bottom hatch, thereby clearing the level.
In Sonic Lost World, the Deadly Six acquired a Roboticizer following their temporary enslavement of Dr. Eggman, although it was not mentioned by name. When Tails took Sonic's place in the Deadly Six's plans to roboticize Sonic, Tails was put in a Roboticizer by Zavok and Zomom. However, while their backs were turned, Tails used one of his twin-tails to stop the device, enabling him to trick the Deadly Six with a robot disguise.
In the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics, the Roboticizer was invented by Sir Charles Hedgehog for medical purposes. However, when Charles' brother Jules Hedgehog lost his free will to the Roboticizer when Charles attempted to save his life, he surrendered the device to WarlordJulian Kintobor in shame. Julian, later rechristened Dr. Robotnik, would use the Roboticizer to transform much of the Mobian population into Robian slaves. Later picked up by Dr. Eggman, the Roboticizer was rendered ineffective on Mobius' population due to the intervention of the Bem, until after Operation: Clean Sweep, which rendered half of the planet susceptible to the Roboticizer again.
After the timeline was rebooted following the events of Worlds Collide, the Roboticizer's history remained relatively the same, except for a few minor changes.
Even before its debut in the Sonic the Hedgehog animated series, one of the promotional pictures from the scrapped Sonic cartoon shows a different round-shaped illustration of a Roboticizer, doing the roboticization process and is titled Dr. Robotnik's Robotic Transformation Machine.
The Roboticizer originate from the Sonic-related medias in Western territories (North America is believed to be the country of origin, with other Westerners adopting it and altering its definition) where it is used as a significant plot point in various storylines. From Sonic Chronicles: The Dark Brotherhood, it was properly adapted into the games.
↑BioWare (September 26, 2008). Sonic Chronicles: The Dark Brotherhood. Nintendo DS. Sega. Area/Level: Mystic Ruins. "Tails: Look, Sonic. That box on the leader's head is an Eggman device. That must be what turned these animals into robots!"