James Olsen is a fictional character from the DC Comics universe, primarily known as a photographer and a close friend of Clark Kent, also known as Superman. He first appeared in 1961 and has been depicted in various comic book series, television shows, and films. James is often portrayed as a supportive ally to Superman, helping him in his fight against crime and injustice. In the television series Supergirl, James Olsen is portrayed by actor Mehcad Brooks. In this adaptation, he takes on the role of a superhero himself, adopting the identity of Guardian. This character development allows him to contribute more actively to the fight against villains, showcasing his bravery and commitment to protecting others.