Red Jacket.

Internet Archive website entry:
"Erected by the Waterloo Library and Historical Society, as a memorial of Red Jacket, Sa-Go-Ya-Wat-Ha, October 14, 1891."
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This 1868 painting by Thomas Hicks after one by Robert Walter Weir hangs in the National Portrait Gallery in Washington DC.

“In the American Revolution, Seneca chief Sagoye­watha fought for the British, who gave him the name ‘Red Jacket’ because he wore their red coat. In his dealings with the new American republic, he excelled as a negotiator for his tribe. George Washington presented him with a peace medal, which can be seen in many of his portraits. Sagoyewatha convinced the Seneca Indians in New York to fight on the American side in the War of 1812. Although in his sixties, he fought bravely at the battles of Fort George and Chippawa, clearing his reputation of earlier charges of cowardice dur­ing the Revolutionary War. The heavy Indian casual­ties on both sides at Chippawa led Sagoyewatha to negotiate with Seneca and Iroquois chiefs, leading to the withdrawal of both tribes from the conflict.” — National Portrait Gallery

This dramatic 1869 painting by John Mix Stanley hangs in Smithsonian American Art Museum in Washington, DC.

“Red Jacket (1758-1830) was a famous leader of the Seneca tribe of the Iroquois Nation. In this ambitious painting, John Mix Stanley showed the chief defending himself against a charge of witchcraft. Under his white robe is the red jacket given to him by a British officer for his help as a messenger during the American Revolution. Stanley trained as a portrait painter, and all of the figures in this work are portraits of identifiable individuals.…” — Henry Luce Center, Smithsonian American Art Museum

The Medal given to Red Jacket by George Washington is portrayed in Lossing's Pictorial Field Book.