John Constantine is a fictional character portrayed by Matt Ryan in the TV series Harley Quinn.
In the first episode they appeared in, titled It's a Swamp Thing (season 3), they were 41 years old.
They appear in 1 episodes out of a total of 47 aired so far
Episodes1
It's a Swamp Thing
episode S3.E5 august 2022Harley, Ivy, and Nora visit New Orleans in search of Swamp Thing, who just might be able to help them find Frank.
