Bowser Jr. wasn’t introduced to the franchise until 2002’s Super Mario Sunshine, but the character fits really well with the Yoshi’s Island aesthetic, as @GBrothersStudio clearly demonstrates.

Bowser Jr. and the Koopalings could be the key to ... without demanding too much of the spotlight be taken away from Yoshi or ...

Luigi, Yoshi, and Bowser Jr. also prove to be loyal allies in Mario's quest to save the Mushroom Kingdom. Mario is infamous for saving the Mushroom Kingdom and rescuing princesses in peril ...