John Constantine is a DC comics creator.
John Constantine -LRB- -LSB- knstntan -RSB- -RRB- is a fictional antihero , appearing in comic books published by DC Comics and the DC Comics imprint Vertigo .	DC Comics	DC Comics	Vertigo	Vertigo (DC Comics)	antihero	antihero	Constantine	Constantine (TV series)
An antihero , or antiheroine , is a protagonist who lacks conventional heroic qualities such as idealism , courage , or morality .	protagonist	protagonist	heroic qualities	Hero	idealism	Ideal (ethics)	courage	courage	morality	morality
