John Prestovi is the Don/leader of the Wizard Mafia. His only appearance so far is in Hugo Weasley and the Elf's Wand. He is half-italian and half-american.In 2020 he was 30 so he was either born in 1989 or 1990. Each of his family have been rulers of the mafia for a long amount if the don dies there is no funeral but a coranation. John has been leading the mafia since his father's death in 2012.He has a smoking problem.