Create a Super Mario Bros. Wonder boss

[Perkilator]

As much as I enjoyed Super Mario Bros. Wonder, I think I speak for a lot of people who played the game when I bemoan how little effort went into the bosses compared to the rest of the game.

So, let’s get our creative juices flowing and try to come up with more creative boss battles! This is a creation thread where you can make whatever you want and there’s no voting or jobs. The only rules:

• If you use an existing boss, it has to be from either Mario’s platformers or series adjacent to Mario (Donkey Kong, Yoshi and Wario)
• You can create an original boss, but it has to be thematically in-line with what the levels of Wonder already gave us