Mecha refers to large, piloted robots often featured in science fiction media, particularly in anime and manga. These machines are typically used in battles and are characterized by their intricate designs and advanced technology. Popular examples include the Gundam series and Neon Genesis Evangelion. The mecha genre explores themes of war, humanity, and technology, often reflecting societal issues. Pilots of these machines, known as 'mecha pilots,' face moral dilemmas and personal challenges, making the stories rich and engaging. The genre has a dedicated fanbase and has influenced various forms of entertainment worldwide.