Jonnie "Goodboy" Tyler is the main protagonist? in the 2000 film, Battlefield Earth. He is played by Barry Pepper.
- Captured by Terl and taught everything about the Psychlonian race and language--knowledge which he uses to destroy the entire Planet Psychlo and 99.999999999% of their race
- The guy you get when you can't get Johnny Depp or Skeet Ulrich
- How the fuck can you not get Skeet Ulrich???
- One of the prisoners tells him it wasn't his fault that Sammy was killed by Ker
- It totally was his fault
- Learns how to fly harrier jets and operate on nuclear weaponry in the span of two weeks