Premise: Arrow (TV series) . It is based on the DC Comics character Green Arrow , a costumed crime-fighter created by Mort Weisinger and George Papp . Constantine is an American television series developed by Daniel Cerone and David S. Goyer for NBC , featuring the DC Comics character John Constantine . John Constantine . Welsh actor Matt Ryan was cast in the role of Constantine for the 2014 NBC television series Constantine , a role he reprised on The CW series Arrow , the animated film Justice League Dark and is set to reprise again in an upcoming animated continuation of his series on CW Seed .
Hypothesis: John Constantine is a DC comics character.
Label: ENTAILMENT