King Watinga, or simply Watinga (also called Fly Assault Game's Boss in Super Mario-Kun), is a large, robotic boss of the minigame Gnat Attack, which is a part of Mario Paint and Super Mario Maker. It is Mario's final challenge and only appears after going through three stages; destroying 100 insects during each stage.
Watinga can also appear on the editing screen version 1.20 update for Super Mario Maker, when a Muncher is shaken after flies have already spawned. Angering it by swatting it repeatedly will start a more challenging version of Gnat Attack. Two Watingas appear in the final round of this mode.
Watinga is capable of shooting out stinger missiles and poison gas; it is also capable of flight. After being hit multiple times, Watinga will begin going into convulsions and will subsequently explode. In Super Mario Maker, he only spawn gnats and flies off-screen and returns only when all the gnats are swatted.
Watinga also made a small appearance in Volume five of the Super Mario-Kun Japanese manga, in which he was brought out of the Mario Paint game by Lemmy Koopa. After colliding with Yoshi, Watinga was fused with him. In the end, he was destroyed, and Mario was able to redraw Yoshi. He wasn't given a name in this comic and was simply called "Fly Assault Game's Boss".