Negan's appearance is based on a comedian.
Henry Lawrence Garfield ( born February 13 , 1961 ) , better known by his stage name Henry Rollins , is an American musician , actor , writer , television and radio host , and comedian . Negan . In the comics , the character 's appearance is based on Henry Rollins , as confirmed by Charlie Adlard ; Robert Kirkman worked in his excessive use of profanity , derived from other people he knew .