Petalesharo was a Skidi Pawnee chief or brave who rescued an "Ietan" girl, that is Comanche girl, from a ritual human sacrifice around 1817 and earned publicity for his act in national newspapers. In
Petalesharro, a Pawnee Brave. 1822 painting by Charles Bird King. On display in the White House Library. His feather bonnet is likely the first ever painted by a white artist. To the cosmos focused Pawnees it symbolized a comet. He seems to wear a government medal on his breast.
Photograph of a miniature diorama's depiction of the ceremony, published in 1922 on behalf of the Field Museum of Natural History, Chicago