Complex sentence: The author originally creates the image of Halt as tough, old fashioned and most certainly someone you wouldn't want to cross, however as the storyline progesses the reader gains a greater insight into the real Halt and his friendly and humourous traits become more apparent.
Split into simpler sentences: The author originally creates the image of Halt as tough, old fashioned, and most certainly someone you wouldn't want to cross. However, as the storyline progesses the reader gains a greater insight into the real Halt and his friendly and humourous traits become more apparent.