The first 3D game he appeared in saw his chief enemy spinning him by the tail and throwing him into bombs.  
In a recent game, he inhales characters like Starlow and sees his residence taken over by Fawful.  Another game ends on his eponymous son's roller coaster, and his "Inside Story" was recently told in a DS RPG.  The first 3D game he appeared in saw his chief enemy spinning him by the tail and throwing him into bombs.  Once replaced by Wart, this father of Roy, Lemmy and Wendy commands minions like Bullet Bills, Boos and Goombas.  FTP name this chief enemy in the Mario series, sometimes known as King Koopa.
In a recent game, he inhales characters like Starlow and sees his residence taken over by Fawful.  
Lord {Bowser} (or {King Koopa} until mentioned)