(Also referred as King Koopa.) Bowser is the main villain in the Mario series. He is the one of the villains who seems to be watching Peach's every move since he always sucessfully kidnaps her. Like his nemesis, Mario, he appears in various media. He was created by Shigeru Miyamoto. He has been around for about 25 (24 years if you count Super Mario Bros. 2 (USA).) years. Due to him being the antagonist of Mario, he has gotten a lot of popularity.