Bowser.Jr



This is Bowser. Jr he is Bowsers son bowser is Mario worse enemy in the series. He is the main antagonist in Season 1 & a minor one in Season 2. Zoey the Doxen tried to bring him back in Season 3, However It Was Jeffy Who Brought Him Back. Jeffy worked for him in Season 1, as revealed in Season 3.

Season 1 (2007)
He is the main antagonist of Season 1, as revealed in Episode 7.

Season 2 (2011)
He is now the minor antagonist of the series in Season 2, as Wario & Waluigi have taken his place as the main antagonists. He dies in the final episode.

Season 3 (2017-2018)
He does not appear, however his death has had big impact on the world after the (by 2011) final episode of the series. His cousin, Zoey the Doxen, however is the main antagonist, and tries to bring him back.

Season 4 (2018-20??)
He reappears, as he has been brought back by Jeffy. He reappeared in Episode 2.