Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Bad Dudes Vs. DragonNinja, known in Japan simply as DragonNinja, is a 1988 beat 'em up arcade game developed and published by Data East. It is based on the U.S. pop culture of the late 1980s, featuring references of it from Michael Jackson's Bad to ninjas. The game starts in New York City, where President Ronnie has been kidnapped by the nefarious DragonNinja.