Dr. Thomas "Tommy" Oliver is a fictitious character from the universe of the American live action television franchise Power Rangers. He is best known as being the original Green Ranger of the original Power Rangers team. He is a main character in the Mighty Morphin Power Rangers TV series, as well as four of its successive incarnations Mighty Morphin Alien Rangers, Power Rangers Zeo, Power Rangers Turbo, and Power Rangers Dino Thunder (where he returns as a legendary Power Ranger veteran). He also appeared in the Power Rangers Wild Force episode "Forever Red", the Power Rangers S.P.D. episode "Wormhole", and in the Power Rangers Super Megaforce episode "Legendary Battle". He has been portrayed by actor Jason David Frank in all of his appearances with the exception of the episode "Wormhole