Wikia

Megacorp Generators were used by Megacorp to spawn various types of security robots, such as Megacorp Chickenbots. A variation resembling a garbage bin was capable of spawning Protopets.

Megacorp might have stolen the idea from Gadgetron, due to the fact that identical generators could be found inside a cave near the abandoned Gadgetron factory on Barlow, or vice versa, Gadgetron had tried to steal the idea from Megacorp.