The term "Z Fighter" refers to a group of characters from the popular anime and manga series Dragon Ball. These fighters, including notable characters like Goku, Vegeta, and Gohan, are known for their exceptional martial arts skills and ability to harness energy, known as Ki. They often protect Earth from powerful villains and threats. Z Fighters are part of the Z Saga, which follows the adventures of Goku and his friends as they face various challenges. The series emphasizes themes of friendship, perseverance, and the importance of training to become stronger. Their battles often involve intense combat and dramatic transformations.