Complex sentence: An habitual drunkard, Bones terrorises the customers of the "Benbow" with his swearing, singing and general bullying, and yet possibly even attracts custom by his very notoriety and earns some admiration from certain locals who consider him a "real old salt".
Split into simpler sentences: An habitual drunkard, Bones terrorizes the customers of the Benbow with his swearing, singing and general bullying. Yet he begins to attract customers by his very notoriety and earns some admiration from locals who consider him a "real old salt".