▁ir rit ation ▁to ▁Mul der ' s ▁attitude . ▁Basically , ▁he ▁had ▁become ▁fed ▁up ▁with ▁the ▁F BI . ▁They ▁had ▁given ▁him ▁what ▁he ▁felt ▁was ▁a ▁low ▁assignment , ▁which ▁was ▁sending ▁him ▁into ▁the ▁city ▁after ▁a ▁dead ▁body . ▁But ▁lo ▁and ▁beh old , ▁he ▁finds ▁that ▁this ▁is ▁a ▁case ▁that ▁for ▁all ▁int ents ▁and ▁purposes ▁is ▁an ▁X - File . ▁It ' s ▁been ▁given ▁to ▁him ▁by ▁a ▁man ▁he ' s ▁never ▁looked ▁at ▁as ▁an ▁al ly , ▁Sk inner . ▁So ▁it ' s ▁an ▁interesting ▁establish ing ▁of ▁a ▁relationship ▁between ▁them ." ▁Produ cer ▁J . P . ▁Finn ▁described ▁the ▁episode ▁as ▁a ▁departure ▁from ▁Carter ' s ▁usual ▁work ▁as ▁it ▁did ▁not ▁deal ▁with ▁an ▁al ien ▁subject ▁matter . ▁ ▁Cast ing ▁and ▁film ing ▁The ▁Fl uk eman — also ▁known ▁affection ately ▁as ▁" F lu key " ▁by ▁the ▁cast ▁and ▁crew — was ▁port rayed ▁by ▁Dar in ▁Morgan , ▁brother ▁of ▁executive ▁producer ▁Glen ▁Morgan . ▁He ▁would ▁become ▁a ▁staff ▁writer ▁for ▁the ▁show ▁later ▁in ▁the ▁second ▁season . ▁The ▁Fl uk eman ▁suit ▁used ▁by ▁Morgan , ▁which ▁included ▁f li pper - like ▁feet , ▁yellow ▁contact ▁l enses , ▁and ▁fake ▁teeth , ▁took ▁six ▁hours ▁to ▁put ▁on ; ▁this ▁process ▁was ▁eventually ▁sp ed ▁up . ▁Morgan ▁wore ▁the ▁suit ▁as ▁much ▁as ▁ 2 0 ▁consecutive ▁hours ▁during