Frodo Baggins a family of toy koala owned by Tolkien's children), son of Bilbo Baggins and Primula Brandybuck. In the fourth draft, he was renamed Bingo Bolger-Baggins, son of Rollo Bolger and Primula Brandybuck. Tolkien did not change the name to Frodo until the third phase of writing, when much of the narrative, as far as the hobbits' arrival in Rivendell, had already taken shape. Prior to this, the name "Frodo" had been used for the character who eventually became Peregrin Took. Frodo is introduced in "The Fellowship of the Ring" as the adoptive heir of Bilbo Baggins. The chapter "A Long-expected
Frodo Baggins Pony", an inn in the village of Bree, Frodo received a delayed letter from Gandalf, and met Aragorn, also called Strider, a Ranger of the North. The One Ring slipped onto Frodo's finger inadvertently in the "Prancing Pony"'s common room, turning Frodo invisible. This attracted the attention of Sauron's agents, who ransacked the hobbits' rooms in the night. The group, under Aragorn's guidance, quickly fled through the Midgewater Marshes and again escaped the Nazgûl. While encamped at Amon Sûl, they were found and attacked by five Nazgûl. The chief of the Nazgûl, known as the Witch-king of Angmar, stabbed Frodo