Bowser Jr. is Bowser’s son, introduced in Super Mario Sunshine. Bowser Jr. is the twentieth character to be playable in the Mario Party series. Bowser Jr. likes to cause trouble on Mario and his friends to please his father, Bowser. He is in many Mario games, often appearing as a playable character or to assist Bowser. In Mario Party 9, he has his own space, Bowser Jr. Space, where two players must team up to defeat him. In Mario Party 10, he takes on the role as Bowser should Bowser fail to get out of jail, or assist Bowser.
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Quote: Someday…when I’m bigger… I wanna fight that Mario again!”
—Bowser Jr., Super Mario Sunshine
First Appearance: Super Mario Sunshine (Monday, August 26, 2002)
First Appearance As A Playable Character: Mario Kart: Double Dash!! (Monday, November 17, 2003)
First Mario Party Appearance: Mario Party 9 (Sunday, March 11, 2012)
First Mario Party Appearance As A Playable Character: Mario Party: Island Tour (Friday, November 22, 2013)
Latest Mario Party Appearance As A Playable Character: Mario Party: Star Rush (Friday, November 4, 2016)
Latest Mario Party Appearance: Mario Party: Star Rush (Friday, November 4, 2016)
Latest Appearance As A Playable Character: Super Smash Bros. for Wii U (Friday, November 21, 2014)
Latest Appearance: Super Mario Maker for Nintendo 3DS (Friday, December 2, 2016)