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A Shroob holding a ray gun.
First Appearance Mario & Luigi: Partners in Time (2005)
Latest Appearance Mario & Luigi: Superstar Saga + Bowser's Minions (cameo) (2017)
Derived Species
Shroob UFO
Dr. Shroob
RC Shroober
Shrooba Diver
Guardian Shroob
Blazing Shroob
Support Shroob
Intern Shroob
Notable Members
Elder Princess Shroob
Princess Shroob
Commander Shroob
Junior Shrooboid
Shrooboid Brat
Elder Shrooboid

The Shroobs are a race of aliens from the Shroob Planet that invaded in the Mushroom Kingdom when Mario and Luigi were babies, as shown in the game Mario & Luigi: Partners in Time, and they are the main antagonists of said game. They are a purple, mushroom-like species ruled by Princess Shroob and her older sister. Unlike the similar, yet much more benevolent Toads, who are seemingly more human than mushroom, Shroobs seem to have retained most of their fungus ancestry. Their name is a corruption of the shorted word for mushroom, "shroom".

They possess very advanced technology, such as ray guns and a massive fleet of flying saucers, powered by the vim of Toads, which is collected by capturing the Toads and draining the vim through the Shroobs' Tree Network, all leading to the Vim Factory. The saucers are capable of shooting energy bolts that turn people into Shroob Mushrooms, as well as causing devastating damage to buildings. The Shroob military is very complex in their processes. They come in different colors and have different attacks. When invading the Mushroom Kingdom the Shroobs seemingly have everything laid out in advance so that they could both protect vital operations and invade enemy regions at the same time, suggesting they are very intelligent.


The Shroobs look similar to the Toads, except they are dark purple with bluish-white spots at the top, have very stubby bodies and limbs, have hands with pincers at the ends, have gaping mouths with a pair of fangs on the top, and have black eyes with red pupils.


Mario & Luigi series[edit]

Mario & Luigi: Partners in Time[edit]

Partners in Time Enemy
M&L-PiT Shroob Idle.gif
Location(s) Hollijolli Village
HP 15 (28)
POW 8 (7)
Defense 23 (12)
Speed 16 (17)
Experience 2
Level 3
Coins 2
Item Drop Green Shell – 50%
None – 0%
Battled by Mario & Luigi, Baby Mario & Baby Luigi
  • Stats in parentheses are from the Japanese and European versions (if they differ from the original American release).

According to the prologue of the game, the Shroobs invaded the Mushroom Kingdom because their home planet was dying because it was shunned by sunlight, and they were looking for a new home. When they found the Mushroom Kingdom, a planet with sunlight and peace and life, they decided to go for it.

The Shroobs first started their invasion by destroying Toad Town and capturing many Toads. These Toads were taken to Toadwood Forest, where their vim was drained by the forest's genetically-altered trees. The vim was then collected at the Vim Factory, where Dr. Shroobs gave the vim to Swiggler, a terrifying, bio-engineered Wiggler. While guarding a Cobalt Star shard, Swiggler also drinks the vim and powers the Shroob UFOs which he will use to attack Mario and Luigi.

While attacking Toad Town, they also attacked Princess Peach's Castle in hopes of capturing Baby Peach, but she had left by the time they got in the castle, and instead found the Princess Peach and her subjects of the future, who had traveled back in time using E. Gadd's Time Machine. They took Toadiko to Toadwood Forest, and Toadbert ended up getting eaten by Yoob after ending up on Yoshi's Island. Princess Peach, however, did manage to trap Elder Princess Shroob in the Colbalt Star and then shattered the shards around the kingdom before getting captured by the younger Princess Shroob.


Soon after, they started the creation of the mechanical Yoob and attacked Yoshi's Island. Yoob would eat any Yoshi it could find. These Yoshis would then most likely be converted into more monstrous Yoobs and be used to attack the Mushroom Kingdom, preventing the Yoshis from helping the kingdom in the process. However, Mario, Luigi, Baby Mario, and Baby Luigi went to go stop it, being eaten in the process after the Shroobs had used their Shroob UFOs to make Yoob grow to monstrous proportions.

The Shroobs later commandeered the Koopaseum, using it as a stadium in order to celebrate the conquest of the Mushroom Kingdom. On stage, Princess Shroob fed Princess Peach to the monstrous Petey Piranha. Mario and Company gave chase to the large Piranha Plant under the museum.

Princess Shroob had disguised herself as Peach to take over the Mushroom Kingdom of the future and thus make sure her plan would succeed. She managed to fool everyone in the Mushroom Kingdom until Bowser came to kidnap Princess Peach again, taking Princess Shroob with him to Thwomp Volcano. After being defeated, though, the Shroob Mothership came and took back Princess Shroob.

The Shroobs were apparently melted away when the brothers and Princess Peach discovered the Shroobs' weakness (babies' tears), although it was possible that they simply left the Mushroom Kingdom to look for another place to call home. However, the Koopa Troop seems to have managed to capture various Shroobs and kept them in cold storage, forgetting about them.

Despite regular Shroobs being the main kind of Shroob seen in Mario & Luigi: Partners in Time, only three are fought in the entire game (early on, in Hollijolli Village).

Mario & Luigi: Bowser's Inside Story[edit]

Bowser's Inside Story Enemy
Location(s) Bowser's Castle
Battled by Mario and Luigi
Level 25
HP 500 (750)
POW 168 (420)
DEF 94 (141)
SPEED 102 (153)
Fire Normal
Burn? Immune
Dizzy? Immune
Stat Down? Normal
KO? Immune
Experience 300
Coins 100 (150)
Item Drop Star Candy - 50%
Shroob Boots - 30%
  • The second set of numbers next to the enemy's HP, POW, DEF, SPEED and Coins are stat increases from the Challenge Medal accessory; a 50% increase for HP, DEF, SPEED and Coins earned, and a 150% increase for POW.
Mario & Luigi battling Shroobs in Mario & Luigi: Bowser's Inside Story.

In the lobby of Bowser's Castle, as a hidden Easter Egg, just before Bowser fights Midbus, a Shroob can be seen in the seat on the lower right-hand corner. If Bowser tries to speak to it, it stares blankly and says ".....".

Much later in the game, a group of three Shroobs appears as an optional boss in Mario & Luigi: Bowser's Inside Story. They are found in the cold room in Bowser's Castle which needs a password to be accessed. The password of the cold room is □, □, ○, △, △, △, followed by hitting the switch on the door itself.

They have two attacks that were very similar to the ones (especially the Guardian Shroobs) they used in Mario & Luigi: Partners in Time. For the first, the attacker will flag down a companion, and they will each shoot a laser at a Mario brother. The other attack is a simple laser blast, delivered to only one brother. Before executing this attack, the attacker will always pirouette, unlike in Mario & Luigi: Partners in Time, in which they would pirouette only before attacking Luigi, and spark before attacking Mario. So instead, the player must see the way it's spinning. It spins clockwise to attack Mario, and counterclockwise to attack Luigi.

After defeating them, Mario and Luigi receive all ten Attack Pieces for Magic Window. They may also receive the Shroob Boots, which cause jumped-on enemies to suffer a 50% reduction in attack. Various other Shroobs are visible in the background of the battle, including broken Shroids, Junior Shrooboids, Shrooba Divers, Commander Shroobs and even Elder Princess Shroob. Also, if one uses the Jump Helmet attack and Mario and Luigi walk back in order for the attack to take effect, a single RC Shroober is seen.

The secret battle with the Shroobs is accompanied by several recaps from Mario & Luigi: Partners in Time as Mario and Luigi explain their history to Starlow. After hearing that it was Luigi who ultimately trumped the Shroobs, Starlow sarcastically remarks that he did so by "ferociously crying," referencing the baby tears that were ultimately the aliens' downfall.

It is presumed that the three Shroobs fought, the Shroob in the audience, and Junior Shrooboid are the only survivors of the ending of Partners in Time. Although Elder Princess Shroob and multiple Commander Shroobs and Junior Shrooboids appear frozen in the background of the battle, they may only be a part of the battle comparable to the audience in Paper Mario: The Thousand-Year Door. Junior Shrooboid, two Shrooba Divers, along with a Commander Shroob and Elder Princess Shroob (these two cut off by the top of the screen) all appear outside of battle but (aside from Junior Shrooboid) should perhaps not be considered to have seriously appeared. After the three Shroobs are defeated, the Shroob race is apparently extinct (excluding that one in the audience).

These enemies along with the Elite Goombule were not in the Prima Guide Enemy Compendium.

Mario & Luigi: Dream Team[edit]

In Mario & Luigi: Dream Team, a lone Shroob makes a cameo on a photo in Kylie Koopa's office in Wakeport.

Although they do not make an actual appearance, the Mario & Luigi: Bowser's Inside Story sprites for Shroobs can be found in the game's files alongside other leftovers.

Mario & Luigi: Superstar Saga + Bowser's Minions[edit]

In Mario & Luigi: Superstar Saga + Bowser's Minions, a picture of a Shroob in a UFO can be found in the Mario Bros.' House.

Super Smash Bros. Brawl[edit]

In Super Smash Bros. Brawl, a Shroob appears as a Sticker that raises launch power by seven.

Super Mario-Kun[edit]

Shroobs appear in volumes 35, 36, and 37 of Super Mario-Kun. They retain their look from game artwork, and can speak human language.


The Shroobs taking over Princess Peach's Castle.

The Shroob language as it appears in the text bubbles in the game is really just nonsensical small picture text. Only one phrase, which translates to "Destroy!", is repeated throughout the game. When the Shroobs talk in the game, they make gibberish sounds. However, they do sometimes use the Latin alphabet, as seen in the battle against Shrooboid Brat: when the Shrooboid Brat is about to attack, when the Shroob crowd raises up signs that say either "M" or "L", signaling who to attack, and when a Shroid uses its iron ball attack, which has either "M" or "L" on it. A similar thing goes for Elder Shrooboid, when he uses the crystal attack. The Elder Shroob Princess can also speak English. Later on, the language is shown to players using subtitles in parentheses. Whether or not this means that Mario and Luigi begin to understand the language or is just for purposes of clarification is unknown.

The Shroobs[edit]

The Shroobs' home planet.

Shroob Leadership[edit]

Shroob Monsters[edit]

  • Swiggler - A robotic shroobified Wiggler that turns Toad vim into fuel for the Shroob UFOs.
  • Yoob - A giant, shroobified Yoshi that eats normal Yoshis and other creatures and encases them in eggs, possibly to turn them into monsters as well.
  • Sunnycide - An egg-like monster that dwells within and guards Yoob from attack.



Artwork of a Shroob.

Shroobified Creatures[edit]



Colonies, Settlements, and Structures[edit]

Game appearances[edit]

Title Role Release Date System/Handheld
Mario & Luigi: Partners in Time Enemy 2005 Nintendo DS
Super Smash Bros. Brawl Cameo as sticker 2008 Wii
Mario & Luigi: Bowser's Inside Story Boss 2009 Nintendo DS
Mario & Luigi: Dream Team Cameo 2013 Nintendo 3DS
Mario & Luigi: Superstar Saga + Bowser's Minions Cameo 2017 Nintendo 3DS

Names in other languages[edit]

Language Name Meaning
Japanese ゲドンコ星人
Gedonko seijin
Alien from Planet Shroob; Gedonko is probably a portmanteau of gedou meaning "unorthodoxy" and "udonko disease", powdery mildew.
Spanish (NOA) Champizoide From Champiñón (Mushroom) and the suffix -zoide.
Spanish (NOE) Shroob -
French (NOE) Xhampi Pun on champi, short for champignon (mushroom)
German Shroob -
Italian Shroob -
Korean 게돈코
Chinese 毒菇
Poison Mushroom


  • A reference to Shroobs was made in the Mario Hoops 3-on-3 website where one of the player's baller names (determined by a five-question quiz) could be "Shroob Showstopper".
  • It appears that the Shroobs (or most of the Shroobs) also have a weakness to the cold. This evident by the fact that nearly all Shroobs are weak against the Ice Flower. The fact that the remaining Shroobs are also frozen by Bowser may also be a subtle indication.
  • Despite being bosses in Mario & Luigi: Bowser's Inside Story, the Shroobs have the death animation of normal enemies. This may be because the game cannot handle the normal boss death animation multiple times on the same screen. The same thing happens with Bowser Memory ML.