Barb is the Queen of the Rock Trolls and the main antagonist of the film Trolls World Tour.
She is the daughter of King Thrash, and her initial goal is to destroy all other musical genres so that Hard Rock can reign supreme over the Troll Kingdom. To achieve this, she attempts to collect the six magic strings from the different tribes (Pop, Funk, Classical, Techno, Country, and Rock) and trigger the "Rockalypse."

Personality: She is a fierce, rebellious leader with a "rock goddess" attitude.