The subject of this article or section originates from non-canonical sources. To find out about what is considered "canon" see LOTR:Canon.
Portrayal in adaptations
In the year TA 2942, he led the auction of Bilbo Baggins' belongings at Bag End, but was interrupted by Bilbo's abrupt return. Grubb demanded proof of Bilbo's identity, but was satisfied when the hobbit produced the contract given him by Thorin and Company over a year earlier.