This is what happens when other characters fight all bosses in Newer Super Mario Bros Wii. 

Mods created by :

Evil Mario, Dark Bowser, Bowsette - StupidMarioBros1Fan (https://www.youtube.com/user/StupidMa...​)

Sonic - Toad Stool (https://www.youtube.com/user/FalconPA...​)

Gooigi - Tankooi - (https://gamebanana.com/members/1621758​)

►No Commentary Gameplay by ProsafiaGaming (2020)◄