Adu Celso-Santos (born Eduardo Celso Santos, August 7, 1945 - 6 of February 2005) was the first Brazilian driver to compete in the World Championship motorcycle racing, MotoGP today.
In the first half of the 70s, he moved to the Netherlands to compete in the World, in the seasons 1972-1975. There was nicknamed Brazilian Indian.
His best performance was in 1973, when he obtained his only victory, the first by an Australian at the Spanish Grand Prix at Jarama Circuit in category 350 cid. Done that would be matched only twenty years later in 1993 by Alexandre Barros, interestingly also in the Spanish Grand Prix.
After his return to Brazil, he dedicated for racing, retiring in 1984. He died at age 59 of a heart attack victim.