阿蒂库斯·沙弗尔ShafferhasOsteogenesisImperfecta,typeIV,ageneticconditioninheritedfromhismother,whohastypeI.Atticussaysthatthedisabilityisjustasmallpartofwhoheis.HelovesbeingaBoyScoutandespeciallyenjoysparticipatingincampingtripsandearningMeritbadges.HischaracteronTheMiddleisthreeyearsyoungerthanheis.