"You are welcome to the city of Tarnag
. Through Ûndin's
otho, I, Thorv son of Brokk
, invite you a peaceful protection in our hall."
Thorv was the main guard to Ûndin. Thorv was, according to Ûndin, his best man; Thorv was the lead guardian and traveler with Eragon, Saphira, Arya, and Orik.
Thorv also took Eragon's horse, Snowfire back to Tarnag and Tronjheim.