Who was Gaspi, the popular Argentine YouTuber killed in a helicopter crash in Rio de Janeiro?

Argentine YouTuber Gaspar Prim Díaz, known as Gaspi, 23, was one of the six people who died on Sunday in the collision of two helicopters over Rio de Janeiro. Brazilian authorities released the names of the victims in the afternoon, following the accident in the Recreio dos Bandeirantes neighborhood, in the west of the city.