Eli Leon was a longtime artist of Brazilian Disney comics for Abril publishers. He joined the company in the 1970s, and he had a large production of 'Duck' and 'Carioca' stories for the Brazilian magazines, such as Mickey, Pato Donald, and Zé Carioca. During the 1980s, he illustrated several 'Hard Haid Moe' stories for Urtigăo.
Leon was the only artist that remained at Abril, when the Brazilian studios closed down in 1997. At this time, Leon produced some 'Hercules', 'Ze Carioca' and 'Tarzan' stories. He also provides artwork to the Dutch Donald Duck weekly through the Magic Eye Studio.