Pishtaco

Accounts situate the pishtaco in colonial and postcolonial contexts: scholars and popular accounts link the motif to practices and rumors about Spanish conquistadors and later outsiders who used Indigenous corpses' fat for wound treatment and other purposes. Over time the attacker’s social guise changes with historical circumstance (Conquest soldiers, eighteenth-century priests labeled nakaq, hacendados, and modern professionals), making the figure an idiom for extractive violence rather than a single origin tale.

Descriptions vary regionally and historically. Many accounts associate the pishtaco with an outsider racial/occupational profile (white man or mestizo; in some eras Spanish soldiers, priests, hacendados, men on horseback, automobile drivers, or modern professionals such as doctors). Folklore commonly links the figure with a long knife in some tellings, but sources present knife use as one motif among several rather than a universal trait. Some narratives portray the attacker as indistinguishable from ordinary outsiders until the act, while other variants emphasize supernatural or anonymous marauder aspects.

Folkloric accounts attribute to the pishtaco the extraction of human fat from victims for uses variously described as medicinal ointments, soap, grease for firearms or machinery, cosmetics, or other commercial applications. Modes reported in sources include violent physical methods (beheading, disembowelment, dismemberment) in some narratives and stealthier or 'magical' methods in others (stunning with 'magic powder', invisible extraction leaving no visible wounds and producing wasting illness days later, or extraction through the anus in certain accounts). Occasional secondary motifs include rumors of draining 'body fluids' and isolated cannibalistic allegations (e.g., sale/preparation of human flesh products), which sources treat as episodic elements of the broader legend.