Nabbit is a purple rabbit with round eyes, long ears, and black limbs. He wears a white handkerchief with a drawing of a large mouth with sharpened teeth, similar to Bowser Jr.'s mask, though there is no indication he actually works for Bowser. ... In fact, his in-game models never have teeth or even a mouth.

Is Nabbit a good guy or bad guy?

Nabbit is an antagonist from New Super Mario Bros U. He also appears as an anti-hero in New Super Luigi U, replacing Mario.

What is the point of Nabbit?

Nabbit is able to collect Star Coins in spite of his invulerability, making Star Coin collecting easier for beginners. While Nabbit cannot be damaged by enemies, he can still be killed by falling into pits, or being crushed by blocks.