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Ray Mk III

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Ray Mk III
from the game files
Official artwork for Ray Mk III in Custom Robo Arena.
Universe Custom Robo
Debut Custom Robo Arena (2006)
Smash Bros. appearances Brawl
Most recent non-Smash appearance Custom Robo Arena (2006)
Console/platform of origin Nintendo DS
Species Custom Robo
Designed by Yoshiharu Sakakibara

The Ray Mk III (レイMkIII, Ray Mk III) is a Robo from the Custom Robo series.


The Ray Mk III is a Robo in the 'Ray' series that hails from the Custom Robo series. It is a well balanced 'Power Model' from the Shining Fighter line. It first appears in Custom Robo Arena for the Nintendo DS. In Custom Robo Arena, the main character switched his Ray Mk II, which was the main Robo used by the protagonist in Custom Robo V2, to a new model made by his sister and father.

In Super Smash Bros. Brawl[edit]

As an Assist Trophy[edit]

Ray Mk III using its laser in Brawl.

In Brawl, this small yet hardy fighter leaps upward before firing a volley of lasers from its hand-held blaster or occasionally an explosive charge with its bomb launcher and hovers in place while firing before dashing horizontally around the arena a few times per jump, akin to the series. It is an unlockable Assist Trophy and becomes available after playing 100 brawls.


The Ray Mk III trophy from Brawl
Ray Mk III
The custom robo used by the main character. It's the latest Shining Fighter model in the Ray line of robots, which appears throughout the Custom Robo series. The main character switches from his beloved Ray Mk II to this model after his sister and father develop it. This one has a great balance between built-in abilities and ease and depth of available customization.
Nintendo DS: Custom Robo: Arena


Name Game Effect Characters
Ray MKIII Custom Robo Arena AttackWeapon+018TypeIcon(Weapon).png Attack +18 All charactersRandomHeadSSBB.png
Brawl Sticker Ray MKIII (Custom Robo Arena).png
(Custom Robo Arena)

In Super Smash Bros. Ultimate[edit]

As a costume[edit]

Ray Mk III set for Mii Gunner.

Ray Mk III does not reprise its role as an Assist Trophy. Instead, it appears as a costume for Mii Gunner.


No. Image Name Type Class Slots Base Power Max Power Base Attack Max Attack Base Defense Max Defense Ability Series
from the game files
Ray Mk III
★★★ 3 2864 8594 1584 4752 1170 3512 Lightweight Custom Robo Series


Names in other languages[edit]

Language Name
Japan Japanese レイMkIII, Ray Mk III
UK English Ray Mk III
France French Rayon Mk III
Germany German Ray Mk III
Spain Spanish Ray Mk III
Italy Italian Ray Mk III
China Chinese Ray Mk III
South Korea Korean Ray Mk III
Netherlands Dutch Ray Mk III
Russia Russian Рэй M3


  • With its debut in October 2006, Ray Mk III is the newest Assist Trophy in Super Smash Bros. Brawl.
    • However, Brawl is also the only game that has it as an Assist Trophy.
  • Ray Mk III, Jill, Magnus, Prince Sablé, Phosphora, Sukapon and Yuri Kozukata are the only assist trophy characters that have appeared in only one game outside of their Smash appearances.
  • It is very likely, due to the trophy description and design of the trophy, that this is the exact same model from the Nintendo DS game Custom Robo Arena, as the player is referred to as the "main" character, and has a father and sister who created the Mk series.
  • While in most official artwork the Ray Mk III is shown equipped with the Straight Bomb G, the yellow part on its left arm, in Brawl it is shown with the Straight Bomb T, the red model.
  • Although the Assist Trophy is shown equipped with the Flare Gun, Straight Bomb T, Twin Flank Pod G and Formula Legs, its attacks and movement are actually most similar to if it were using the Gatling Gun, Crescent Bomb K and either High Jump or Plus One Legs.