Bilbo Baggins had played Frodo in the BBC radio series 20 years earlier. The movies omit the 17-year gap between Bilbo's 111th birthday and Frodo's departure from the Shire, as a result Bilbo mentions in Rivendell that he was unable to revisit the Lonely Mountain before his retirement. In Peter Jackson's "The Hobbit" film series, a prequel to "The Lord of the Rings", the young Bilbo is portrayed by Martin Freeman while Ian Holm reprises his role as an older Bilbo in "" (2012) and "" (2014). The International Astronomical Union names all colles (small hills) on Saturn's moon Titan after characters
The Hobbit steals the Arkenstone—a most ancient relic of the dwarves—and attempts to ransom it to Thorin for peace. However, Thorin turns on the Hobbit as a traitor, disregarding all the promises and "at your services" he had previously bestowed. In the end Bilbo gives up the precious stone and most of his share of the treasure to help those in greater need. Tolkien also explores the motif of jewels that inspire intense greed that corrupts those who covet them in the "Silmarillion", and there are connections between the words "Arkenstone" and "Silmaril" in Tolkien's invented etymologies. "The Hobbit" employs themes of