walking dead finale who did negan kill The amc drama finally introduced jeffrey dean morgan as the comic series' dastardly villain negan, setting the stage for an all-out war to come in season. The walking dead season 6 finale introduced negan (jeffrey dean morgan) -- but who did he kill in that brutal cliffhanger?. Like the midseason finale, 'the walking dead' worked up until it didn't anymore.. 'the walking dead' brought its sixth season to a close on sunday, april 3, with one of the most gruesome cliffhangers in the series' history — read us weekly's recap!. The walking dead season six finale ended on a cliffhanger, with negan killing an unseen character. we look at who is most likely to be dead.. 'walking dead' fan starts petition to reveal negan's victim ...