Bowser was created by Nintendo as the main antagonist of the Super Mario series, first appearing as the final boss in the arcade game Mario Bros. (1983) and prominently in Super Mario Bros. (1985).
Bowser made his first major appearance as the primary antagonist in Super Mario Bros., where he kidnaps Princess Peach and serves as the final boss.
Bowser's design was enhanced for Super Mario 64, incorporating 3D graphics and more detailed models, which greatly influenced his depiction in future games.
Bowser played a major role as the primary antagonist in Super Mario Odyssey, kidnapping Princess Peach in a wedding plot, and showcasing new gameplay mechanics centered around him.