User blog comment:Magma MK-II/Bullies, jerks & stuff that don't belong here/@comment-4704420-20140904233348/@comment-14847494-20140905010258

Duncan isn't just a jerk/bully though. Even in the first season, it's established that he's gone to juvy before. That's enough to qualify for being more than a jerk/buly. Plus, he blew up Chris' "cottage".