Barko's a fictional sled dog character created by Carl Barks who first appeared in Dell Comics, Uncle Scrooge #59 , North of the Yukon in September 1965. Barko was once a great sled dog and "champion of all the North". However, as he reached old age, he became unwanted and stricken with rheumatism. He spent most of his retirement at a hardware store that used to rent/sell sled dogs. It wasn't until the crooked Soapy Slick threatened to take the fortune of Scrooge McDuck because of an I.O.U. fro… (More on Barko)