Alex Rogan is the main character in the 1984 science fiction film, The Last Starfighter. He is a teenager living in a trailer park who dreams of escaping his mundane life. Alex is skilled at playing a video game called Starfighter, which unexpectedly leads him to a real intergalactic battle. When he achieves a high score in the game, he is recruited by an alien named Centauri to fight against an evil force threatening the galaxy. Alex's journey transforms him from an ordinary boy into a hero, showcasing themes of adventure, courage, and the power of believing in oneself.