Cresacre was described as a moaner and a grumbler. Rifleman Williamson was described as a grumbler and a troublemaker alongside his friend Ned Tarrant. He's assisted by a hobo named Grumbler. Personalities include The Grumbler, The Optimist, and The Phobic. He also produced "The Grumbler" (1702), an adaptation of "Le Grondeur" of Brueys and Palaprat. She also pointed out his deficiencies, including his "grumbler" nature and other wanting attitudes. The Grumbler was one of Robertson's more well known publications.