Monty Green - "Note to self... next time, save the girl".

Monty Green is one of the Delinquents sent to Earth to see if it is inhabitable. He is a smart and tech-savvy teenager who is a valuable asset to the teenagers down on Earth due to his intellect. His family is in charge of the pharmaceuticals on The Ark.

Spoilers Ahead!!!

Monty and Jasper are best friends. In the Pilot, the two go with Clarke, Finn, and Octavia Blake in attempt to reach Mount Weather. Throughout the trip, Monty and Jasper talk back and forth. When they all reach a river, Octavia goes swimming and is attacked by a river serpent, only to be saved by Jasper. Monty cheers him on. When Jasper swings on a vine to the other side of a river, he watches in horror as Jasper is impaled by a spear.

In Earth Skills, he offers to go on the search to find Jasper, but Clarke tells him to stay behind. In Earth Kills, Monty watches over a sick Jasper with Octavia until the medicine is returned and assists Octavia keep Murphy from killing him. In Murphy's Law, Monty is happy to see Jasper awake and gives him a thumbs up when he is kissed by Octavia.