The Peking Homunculus was a 51st century cyborg made by Dr. Sa Yy Findecker for Ingrid Bjarnsdottir, the commissioner of the Icelandic Alliance, as a toy for her two children. It contained a series of magnetic fields on a printed circuit, a small computer, and a single organic component: the cerebral cortex of a pig. (TV: The Talons of Weng-Chiang; AUDIO: The Butcher of Brisbane) Sherlock Holmes later investigated Mr Sin, terming it The Affair of the Walking Ventriloquist's Dummy, but was unable to solve the matter. (PROSE: All-Consuming Fire)