Complex sentence: A far different sort of bully than Harley, Griff was a smooth-talking freeloader who used his wits and charm to weasel his way out of many an obligation and punishment.
Split into simpler sentences: A far different sort of bully than Harley. While much friendlier, Griff was a smooth-talking freeloader who used his wits and charm to weasel his way out of many an obligation and punishment.