Simon is the twin brother of the ruthless lobsterman, Angus Adams. As a boy Simon is fat and listless and he grows into an intellectual, unnaturally large, with a misshapen head, and large doughy hands - and a deathly fear of the sea. This is a detriment, as Simon seeks to establish the Fort Niles Island Natural History Museum to house and display the books and artifacts that he spends a lifetime collecting. His nickname Senator oddly derives from his knowledge of a wide variety of subjects, rather than for holding political office. It is used half-mockingly. People consider Simon eccentric but authoritative.