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Species Origin Koopa
First Appearance Mario Bros. (1983)
Latest Appearance NES Remix (2013)

Shellcreepers are green-shelled turtles that first appeared in the Mario Bros. arcade game. They are the first turtle enemies to appear in a Mario game, making them the conceptual ancestors of the Koopa Troopas, which appeared two years later in Super Mario Bros.. It is also shown that Shellcreepers wear undershirts and shorts when outside of their shells; Koopa Troopas first appeared out of their shells in Super Mario World wearing a shirt, and in Super Mario World 2: Yoshi's Island wearing shorts.


Mario Bros.[edit]

Mario jumping over a Shellcreeper in Mario Bros..

The Shellcreeper is the first enemy to appear in Mario Bros.. They walk out of the Warp Pipes at the top of the screen and walk towards the pipes at the bottom of the screen. The player must hit it from below to flip it over and run into it to defeat it. If the player does not run into it, the Shellcreeper jumps out of its shell (revealing that it wears a white shirt and shorts), flips its shell over, changes color from green to purple and continues moving faster than before. If it flips its shell again, it will turn red, its fastest state. If a Shellcreeper is the last target for the phase, it will automatically turn red. Unlike the similar Koopa Troopa, jumping on Shellcreeper will cause Mario or Luigi to lose a life.

Following the Mario Bros.-style minigame in Super Mario Bros. 3, Shellcreeper has been replaced by Spiny in all subsequent versions, so they would not be mistaken for a Koopa Troopa, which is safe to jump on. Despite this, a lone Shellcreeper still makes a cameo alongside a Sidestepper and Fighter Fly on the Game Boy Advance Mario Bros. title screen.

Mario Power Tennis[edit]

Shellcreepers, along with the other Mario Bros. enemies, appear in the background of the Mario Classic Court in Mario Power Tennis.

Super Smash Bros. Brawl[edit]

A Shellcreeper, as it appears in Super Smash Bros. Brawl.

In Super Smash Bros. Brawl, Shellcreepers appear on the Mario Bros. stage. They walk out from the pipes at the top of the stage. If knocked over by hitting them from below or from an attack, they can be picked up and thrown at opponents, making them fly sideways off the screen. The Shellcreepers also have their own trophy.

Super Mario 3D World[edit]

Shellcreepers appear in Luigi Bros.; an additional game featured in Super Mario 3D World. Like the other enemies in Luigi Bros., Shellcreepers behave in the same way as Mario Bros., which this game is based on.

NES Remix[edit]

Shellcreepers appear in NES Remix in the challenges and remixes based on Mario Bros.

Game Appearances[edit]

Title Description Release Date System/Format
Mario Bros. Enemy 1983 NES/Arcade
Mario Bros. Special Enemy 1984 PC-8801
Punch Ball Mario Bros. Enemy 1984 PC-8801
Kaettekita Mario Bros. Enemy 1988 Famicom Disk System
Mario & Luigi: Superstar Saga Cameo on the Mario Bros. title screen. Also in the Super Mario Advance ports. 2003 Game Boy Advance
Mario Power Tennis Cameo as enemy on Mario Classic Court 2004 Nintendo GameCube
Famicom Mini: Mario Bros. Enemy 2004 Game Boy Advance
Super Smash Bros. Brawl Cameo as enemy found on the Mario Bros. stage 2008 Wii
New Play Control! Mario Power Tennis Cameo as enemy on Mario Classic Court 2009 Wii
Super Mario 3D World Enemy in Luigi Bros. 2013 Wii U
NES Remix Enemy/Objective in Mario Bros. challenges and remixes. 2013 Wii U

Super Smash Bros. Brawl trophy[edit]

Name Image Game Description
Shellcreepers BrawlTrophy538.png NES Mario Bros. Shelled enemies Mario and Luigi faced back when they were plumbers. They had to be bumped from below to flip them over and then kicked off the stage. The last one on a stage turned from green to red and raced really fast. If one got flipped but not sent off, it would eventually right itself and move at high speeds. They were simply called "turtles" in Japan.
GBA Super Mario Advance

Super Smash Bros. for Wii U trophy[edit]

Image Appearance(s) Description
SSB4TrophyShellcreepers.png ARCADE Mario Bros.
GBA Super Mario Advance
With a name that implies silently sneaking up on its prey, the Shellcreeper might be considered cooler than your average turtle. The Koopa is apparently an evolved form of this veteran of Mario Bros. We'd recommend not jumping on this one like you would a Koopa, though...

Names in other languages[edit]

Language Name Meaning
Japanese カメさん
Mr. Turtle

Spanish Tortuga Turtle
French Carapeur Pun on carapace (the upper shell of turtles) and peur (fear)
German Schildkröte Turtle
Italian Tartaruga Turtle