Metroid (species)

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This article is about the species from the Metroid series. For other uses of the term "Metroid", see Metroid.
Metroid Brawl artwork.png
Metroid artwork for Super Smash Bros. Brawl
First appearance Metroid (1987, Metroid series)
Wario Land II (2001, Mario franchise) (as a hidden treasure)
Latest appearance Metroid: Samus Returns (2017, Metroid series)
Super Smash Bros. Ultimate (2018, Mario franchise crossovers)

Metroids are the titular species of parasitic aliens from the Metroid series. They were created by the Chozo to combat the X Parasites, though they eventually grew out of hand, and are now supposedly extinct thanks to the efforts of Samus Aran.


Wario Land II[edit]

WL2 T 5x-4.png

In Wario Land II, which was developed by the same team behind the original Metroid, a Metroid appears as the hidden treasure for the level Don't shock the owl!

WarioWare series[edit]

A Metroid appears in the Metroid-Samus microgame in WarioWare: Twisted! The Metroid advances toward Samus in a different pattern depending on the difficulty level, and the objective is to shoot it with her arm cannon before it can reach her.

Metroids also appear in WarioWare: Touched!, in the international version-exclusive microgame Metroid, and in the Big Name Game also titled Metroid. In the former the objective is to drag Metroids off of Samus using the stylus, and in the latter the objective is to destroy two Metroids by tapping them.

Super Smash Bros. series[edit]

A Metroid in Super Smash Bros. for Wii U

A Metroid appears as an Assist Trophy in Super Smash Bros. Brawl, Super Smash Bros. for Nintendo 3DS, Super Smash Bros. for Wii U, and Super Smash Bros. Ultimate; they also appear as enemies in Smash Run in Super Smash Bros. for Nintendo 3DS. When they appear, they float around the stage, latching on to players and inflicting damage for a time, similar to their series of origin.

Donkey Kong Country: Tropical Freeze[edit]

In Donkey Kong Country: Tropical Freeze, a Metroid can be seen in background of the level Amiss Abyss as an Easter egg. If the player passes the first signpost and giant illuminating statue, reaches the end of the trench and heads back towards the statue through the anemone (the player must have more than one heart to do this), they will find it floating upward from the seabed in the background.[1][2]

Trophy information[edit]

Super Smash Bros. Melee[edit]

# Name Image First Game Description
231 Metroid Trophy231.PNG Metroid
A parasitic life form that can absorb all types of energy, Metroids have strong resistance to most conventional weaponry. To defeat them, Samus Aran had to freeze them with Ice Beam shots and then blast them with missiles. Mochtroids, which look like Metroids, are weaker, with fewer internal nuclei.

Super Smash Bros. Brawl[edit]

Name Image Appearance(s) Description
Metroid BrawlTrophy297.png NES Metroid
GB Metroid II: Return of Samus
A bioengineered life-form found on planet SR388. Metroids attach to organisms and drain life energy. The Galactic Federation commissions Samus to eliminate them, but Space Pirates try to harness their power. One of the few ways Samus can kill Metroids is by shooting them with the Ice Beam and then shattering them with missiles. The Metroid's cry is chilling and indescribable.

Super Smash Bros. for Nintendo 3DS / Wii U[edit]

Name Image Appears In
(Wii U version only)
Metroid MetroidTrophyWiiU.png NES Metroid (08/1987)
GB Metroid II: Return of Samus (11/1991)
First discovered on planet SR388, this floating life-form grows by absorbing the energy around it. It is incredibly durable but extremely weak to cold. In Smash Bros., a Metroid will grab a rival by the head and drain energy. If you get grabbed, shake it off by pressing left and right!



  1. ^ Tweet by Shane Marchis
  2. ^ GameXplain. (August 3, 2018). A Secret Metroid Has Been Hiding in DKC: Tropical Freeze the Last 4 Years! (Easter Egg). YouTube. Retrieved August 3, 2018.