Bragi is the Norse god of poetry, music, and eloquence, known for his wisdom, long beard, and captivating voice, often depicted playing a harp and welcoming slain heroes to Valhalla with songs, with his tongue said to be carved with runes, symbolizing the power of words, and his wife is Idunn, goddess of youth.

Appearance & Characteristics:
Wise Figure: An older, wise figure with a long, flowing beard, representing wisdom and respect.
Master Musician: Charms all with his harp and sweet singing, bringing joy and peace.
Eloquent Speaker: Has runes carved on his tongue, giving him magical power over speech.
Valhalla's Welcome: Greets fallen warriors in Valhalla, telling tales and singing.

Role & Significance:
God of Skalds: Patron of poets (skalds) and bards, invoked for inspiration and skill.
Preserver of Stories: His poetry keeps the deeds of gods and heroes alive.
Symbol of Eloquence: Represents the power of words, honor, and cultural sophistication.

Family & Mythology:
Parents: Son of Odin, sometimes with Gunnloo.
Wife: Idunn, guardian of the apples of youth, linking poetry to eternal life.
Encounter with Loki: Confronted Loki in the Lokasenna, highlighting his role in maintaining order.

Legacy: His name is linked to the Old Norse word bragr, meaning "the best" or "noblest," and the English word "brag," notes Encyclopedia.com, from the root of poetic excellence.