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NSMBU-Grrrol Artwork.png
Grrrol artwork for New Super Mario Bros. U
First appearance New Super Mario Bros. U (2012)
Latest appearance Mario Party 10 (2015)
Derived species
Dai Gorō
Related species
Spiky Tromp

Grrrols[1] are spiked stone enemies first appearing in New Super Mario Bros. U. They are similar to Spiked Balls and Spiky Tromps from Super Paper Mario, as they roll around trying to crush Mario, bouncing off the walls, themselves, and other solid objects. These enemies resemble circular Thwomps with rolling red eyes and a big grin with one tooth missing. The spikes they are surrounded by subtly alternate between lighter and darker shades of grey. Like Thwomps, they are invincible enemies, and only the Super Star has an effect on them, as does hitting the Item or Brick Block they are on from below, making them slightly weaker than Spiked Balls. Grrrols are spawned by specific pipe-like walls, which can make infinite units. They can also defeat any enemy they roll into.

Grrrols first appear in a secret room in the Stoneslide Tower of Layer-Cake Desert. They are found again in the Rock-Candy Mines tower, Grinding-Stone Tower, where they are the main obstacles. This level also introduces the Grrrol's larger counterpart, Dai Gorō.

The Grrrols return in New Super Luigi U, appearing in the Layer-Cake Desert stage Underground Grrrols as the main obstacles. They also appear in Stone-Snake Tower of Soda Jungle.

Grrrols reappear in Mario Party 10 as obstacles in the minigame Hop, Drop, and Roll. Grrrols are set to reappear in Super Mario Party as non-playable characters.

Names in other languages[edit]

Language Name Meaning
Japanese ゴロー
Onomatopoeia for rolling; same as the Wario Land: Super Mario Land 3 Spiked Balls
Spanish (NOA) Don Machucón Mr. Bruise
Spanish (NOE) Cróncher
French (NOA) Grrroul Grrrol
Portuguese Grrroda Pun on "grrr" and "roda" (wheel)
Russian Шипокат
Pun "шип ship" (spike) and "покатить pokatit'" (to roll)


  • Their name is a pun on grrr, a growling sound, and roll, their attack pattern.


  1. ^ New Super Mario Bros. U Prima eGuide, Enemies Tab.