👉 Bilboas are fictional creatures in J.R.R. Tolkien's "The Lord of the Rings" series, which is a fantasy novel written by J.R.R. Tolkien. Bilbo is a hobbit who lives in Shire, and he has three siblings, Gandalf, Legolas, and Gimli. The term "bilboas" comes from his love for their mother, Elrond, who is also a hobbit.