Subspace is a male inphernal scientist from Blackrock, distinguished by his dual sets of curling pink horns framing a star-shaped energy crystal, a grey gasmask with red accents, an eyepatch over his left eye, and distinctive Blackrockian-patterned armor. Egotistical, sadistic, and deeply prejudiced against non-Blackrock inphernals, he views others as expendable and prefers the company of his robotic inventions—particularly the Biografts he created, including the Gamma Biograft suit he wears to counteract his debilitating ailment, "The Rot." This condition causes toxic pink lesions, flesh decay (especially in his right arm and left eye), and emits lethal gas, forcing his mask use and limiting his mobility, vision, and stamina. A former KORBLOX Administration scientist and head of robotics, he remains high-ranking despite his strained relationship with Medkit and reliance on Hyperlaser for contracted work.