Roberta Roberts is a guildless Game Master. She is the Admin GM of the Grog Blog, along with Caymen Trench. She and Caymen are also responsible for responding to the Pirates Online YouTube Channel comments. Roberta never made any In-game appearances in the original POTCO
- Roberta is also the sister of GM Thatch Roberts. Their family name could be a reference to the fictional Dread Pirate Roberts from The Princess Bride.