Nurse Urdahl  is a nurse employed at the Parkview Psychiatric Hospital.
After the Psychiatric Doctor had a conversation with Janosz Poha about his Last Supper painting, he told Nurse Urdahl to double Janosz' dosage of Thorazine.
- ↑ Psychiatric Doctor (2012). IDW Comics- "Ghostbusters Issue # 13" (2012) (Comic p.10). Psychiatric Doctor says: "I think the question of whether or not he's been getting enough Thorazine has been suitably answered."