WIKIPEDIA:

“ Carlos (February 20, 1943, Paris – January 17, 2008, Clichy, Hauts-de-Seine), born Yvan-Chrysostome Dolto, and sometimes called Jean-Christophe Doltovitch, was a leading French singer, entertainer and actor.

Biography
He was the son of the psychoanalyst Françoise Dolto and the physiotherapist Boris Dolto. He also obtained a diploma in 1961 at l’École française d'orthopédie et de masso-kinésithérapie, headed by his father.
At the age of 14 he met Johnny Hallyday, who befriended him. He was renamed Carlos in 1958, in homage to the percussionist Carlos "Patato" Valdes. He then became Hallyday's artistic assistant. From 1962 to 1972 he was Sylvie Vartan's artistic assistant, and it was he and Vartan who discovered Mike Brant, whom they brought to France in 1969.
Carlos was heavily overweight and cultivated a jovial countenance, and adopted a look similar to the singer Antoine, with leis and Hawaiian shirts. In 1980, he became a spokesman for the Oasis brand fruit drink, with his song "Rosalie" being used in their television advertisements.
In 1988, he was named the mascot of the amusement park Mirapolis, open in the Val-d'Oise, which quickly went bankrupt. He ran for office in the local elections in Courdimanche in 1989, but was not elected. He regularly participated in the [......] ”

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