Gigan is a cybernetic monster that was created by aliens and an antagonist monster from the Godzilla movies. In the Showa series, he was very strong and was a difficult and brutal opponent as he can make the heroic Godzilla bleed rapidly, while in Final Wars, Godzilla defeated him in less than a minute without any allies, but returns later in the film and is killed by Mothra. Although not as famous as King Ghidorah, Godzilla, or Mothra in the United States, he still remains popular to American fans who know him. Gigan has appeared in three Godzilla films twice in the 70s and returned in 2004.He served as the antagonist of Godzilla vs Gigan and the secondary antagonist in Godzilla vs Megalon with Megalon as the villain.