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Blue Bowser, also referred to as Bowser's Brother, Bowser's Twin Brother, or Bowser Imposter, is a character that debuted in Super Mario Bros.: The Lost Levels as a boss, and is exclusive to the Famicom Disk version of it.
Bowser's Brother
Seasonal Guest Villains
for Seasonal Guest Villains in The Super Mario Bros. Super Show All-Stars (2015 Version)
Suggested by mariobrosfan201
The same SMBSS idea I had but in next year.
