Complex sentence: Of the thirteen dwarves in "The Hobbit" Bombur is the one with the most distinct appearance, described as "immensely fat and heavy", his weight was problematic at several points during the quest.
Split into simpler sentences: Of the thirteen dwarves in "The Hobbit" Bombur is the one with the most distinctive appearance. Described as "immensely fat and heavy", his weight was problematic at several points during the quest.