Hiccup was not found by Stoick at the end of the battle. He and Toothless crashed and eventually washed up on a beach where they were found by a boy of the same age. This boy took them in to his home,which just so happened to be a secret society. The only things 'Jari' can remember is his dragons name and a man disowning him. Hiccstrid eventually and a Hiccup returns to berk fic