▁Initial ly , ▁P ett ib on ▁had ▁been ▁a ▁bass ▁player ▁in ▁the ▁group ▁when ▁it ▁was ▁known ▁by ▁the ▁name ▁Pan ic . ▁When ▁the ▁band ▁discovered ▁that ▁another ▁band ▁called ▁Pan ic ▁existed , ▁P ett ib on ▁suggested ▁the ▁name ▁Black ▁Flag ▁and ▁designed ▁their ▁distinct ive ▁" four ▁bars " ▁logo , ▁a ▁st yl ized ▁black ▁flag ▁r ipp ling ▁in ▁the ▁wind . ▁Ar ound ▁the ▁same ▁time , ▁P ett ib on ▁adopted ▁his ▁new ▁surname , ▁from ▁the ▁nick name ▁petit ▁bon ▁( good ▁little ▁one ) ▁given ▁to ▁him ▁by ▁his ▁father . ▁P ett ib on ' s ▁art work ▁appeared ▁on ▁f liers , ▁album ▁covers ▁and ▁gift ▁items ▁( T - sh ir ts , ▁stick ers ▁and ▁sk ate boards ) ▁for ▁Black ▁Flag ▁through ▁the ▁early ▁ 1 9 8 0 s , ▁and ▁he ▁became ▁well ▁known ▁in ▁the ▁Los ▁Angeles ▁punk ▁rock ▁scene . ▁ ▁P ett ib on ▁is ▁married ▁to ▁video ▁artist ▁A ï da ▁Ru il ova , ▁with ▁whom ▁he ▁has ▁a ▁son . ▁He ▁is ▁an ▁av id ▁sports ▁fan . ▁ ▁Work ▁Kn own ▁for ▁his ▁com ic - like ▁draw ings ▁with ▁disturb ing , ▁ir onic ▁or ▁ambigu ous ▁text , ▁P ett ib on ' s ▁subject ▁matter ▁is ▁sometimes ▁violent ▁and ▁anti - author itar ian . ▁From ▁the ▁late ▁ 1 9 7 0 s ▁through ▁the ▁mid - 1 9 8 0 s ,