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Paracelsus (Anthony Stewart Head) is an incarcerated "bronzed" alchemist, whom Nick tricked Claudia into releasing. He is the brother of Sutton and the reason for his family's immortality. He was a former director of the Warehouse program and the Caretaker of Warehouse 9. He is stated as being the creator of the Philosopher's stone. After he is debronzed, he pieces together the stone's two halves and makes Sutton, Nick, and Charlotte mortal once again. He escapes before Myka and Pete can stop him and goes to San Francisco. He heals cancer patients with the stone, only to sacrifice them once again to achieve immortality. He could "see" people through their eyes, namely their health.