Daimao Koopa, also known as King Koopa or Bowser, is the primary antagonist in the anime movie 'Super Mario Bros.: Peach-hime Kyushutsu Dai Sakusen!' He is the king of the Koopas and a formidable enemy to Mario and Luigi. Known for his cunning plans and fierce determination, Koopa kidnaps Princess Peach, prompting the Mario brothers to embark on a daring rescue mission. As the ruler of a vast army of minions, Daimao Koopa uses his power to challenge and thwart the heroes at every turn, illustrating his role as a central figure in the series' conflict.