Computer Virus

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Computer Virus
KSS Computer Virus Artwork.png
Artwork of Computer Virus from Kirby Super Star
First game Kirby Super Star (1996)
Latest game Kirby Super Star Ultra (2008)
Theme music

Boss Battle (Computer Virus version)

Clips of the battle music used for Computer Virus in Kirby Super Star and Kirby Super Star Ultra

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Quote1.png You gained XXX EXP! (Not that it matters.) Quote2.png
— In-game message after defeating Computer Virus

Computer Virus is a boss in Kirby Super Star and its remake, Kirby Super Star Ultra. It is a living role-playing game. Its strategy is similar to that of a turn-based RPG battle, except the enemy shown will pop out of the screen it is shown on when it is Kirby's turn to attack.

Computer Virus consists of three screens, one showing the actions, one showing the enemy's health, and one showing the enemy itself. In the original Kirby Super Star, the windows take their appearance from the Classic Mac OS.

The music that plays during the battle with the Computer Virus is an 8-bit remix of the normal boss music, with a noise filter applied.

Game appearances[edit]

Kirby Super Star[edit]

Kirby finishing his turn against the Slime in Kirby Super Star

In Kirby Super Star, the Computer Virus is first encountered in the Crystal area of The Great Cave Offensive. The battle is split into three sections, each with a different enemy. Once one enemy is beaten, the next one appears. During this encounter, the enemies fought are the Slime, the Dancing Doll and the Witch. Each of these enemies has to be defeated either by using one of the Copy Essences provided between each round, or by inhaling certain projectiles generated by their attacks, usually stars.

The Slime and the Dancing Doll can fire a star, but they do this rarely and do nothing in most cases. The Witch attacks by launching spells from her staff or firing 3 stars in a row, and she can attack each turn and can defend herself.

Computer Virus is encountered a second time in Planet Halfmoon of Milky Way Wishes. The battle is similar, but different adversaries are fought. The Witch is fought first, followed by the Evil Knight and the Red Dragon. This version of the boss is also encountered in The Arena.

In the second battle, the Witch retains her strategy. The Evil Knight can fire 5 stars in a row, crescent blades, icicles as "Freezing Slash", or raining knives. He can also increase his attack or defense. The Red Dragon can fire 3 stars in a row in a much more difficult-to-avoid pattern. He can also increase his defense, launch flame-breath, and can also launch crescents by flapping his wings, and can attack with his talons.

Whenever the Computer Virus is defeated, a number of messages pops up, stating that Kirby has gained a random amount of points in various made-up stats, including "humor points" and "final exam points". As none of these are actual stats in the game, they do not affect gameplay in any way (as one of these messages in Kirby Super Star Ultra says "Not that it matters.") The battle result messages from Computer Virus are referenced when Team Kirby levels up in Team Kirby Clash, Team Kirby Clash Deluxe, and Super Kirby Clash, including the "Not that it matters" quote.

Kirby Super Star Ultra[edit]

The Computer Virus returns in the remake, Kirby Super Star Ultra. Although the battle is unchanged, some of the fought enemies have had their names changed. In addition to its original appearances, it is also encountered in Meta Knightmare Ultra and Helper to Hero. In the latter, the enemies from their Milky Way Wishes appearance are fought, but their palette has been changed and their health is increased. The Great Dragon in particular is now more orange than red, which may go toward explaining why its name was changed between versions.


This table lists the Computer Virus enemies' HP per mode.

Computer Virus enemies' HP (1-player/2-player)
Sprite (KSS/Ultra) Sprite (Helper to Hero) Name (KSS/Ultra) The Great Cave Offensive Milky Way Wishes
The Arena
Helper to Hero
KSS CV Slime Sprite.png Slime KSSU sprite.png Xmark.png Slime 64/83 Xmark.png Xmark.png
KSS CV Dancing Doll Sprite.png Puppet KSSU sprite.png Xmark.png Dancing Doll / Puppet 80/104 Xmark.png Xmark.png
KSS CV Witch Sprite.png Magician KSSU sprite.png Magician KSSU HtH sprite.png Witch / Magician 100/130 80/104 92/119
KSS CV Evil Knight Sprite.png Evil Knight KSSU sprite.png Evil Knight KSSU HtH sprite.png Evil Knight Xmark.png 180/234 207/269
KSS CV Red Dragon Sprite.png Great Dragon KSSU sprite.png Great Dragon HtH sprite.png Red Dragon / Great Dragon Xmark.png 250/325 287/373


Kirby earned 3 "Tenderness" points...whatever that means.

After defeating Computer Virus, the windows inform Kirby that he has gained a number of points in different attributes (though these do not actually have any affect on gameplay). These attributes include the following:

All versions
  • Experience (EXP in Kirby Super Star Ultra; always first)
  • Ambition
  • Appetite
  • Beauty
  • Courage
  • Exam score
  • Fever
  • Friendship
  • Greediness
  • Happy Smile
  • Honesty
  • Humor
  • Love
  • Tenderness
Exclusive to Kirby Super Star Ultra
  • Eye Sparkle
  • Heroism
  • Maturity
  • Puffiness
  • Roundness
  • Sincerity
  • Spirit
  • Softness
  • Squishiness
Exclusive to Meta Knightmare Ultra
  • Charisma
  • Coolness
  • Dreaminess
  • Flashiness
  • Foot Speed
  • Leadership
  • Mask Shine
  • Sword Sharpness
  • Trustworthiness

For the most part, the attributes and point values are chosen at random, but "experience" always comes first and either "love" or "friendship" will come last depending on whether or not Kirby has a Helper at his side. In Meta Knightmare Ultra, "sword sharpness" or "leadership" is always the last attribute listed, again depending on whether or not Meta Knight has a Helper. The messages do not appear when fighting Computer Virus in The Arena or Helper to Hero.

These inconsequential point gains would later be referenced when Team Kirby levels up on some occasions in the Team Kirby Clash games.

Name discrepancy[edit]

In Kirby Super Star, the name shown for each opponent Kirby faces as part of Computer Virus' arsenal often does not match the name displayed on the top of the window featuring that opponent. While "Slime" and "Evil Knight" match up, the other three differ, as follows:

  • Dancing Doll's window reads "Puppet".
  • Witch's window reads "Magician".
  • Red Dragon's window reads "Dragon".

These discrepancies would later be fixed in Kirby Super Star Ultra.


  • The layout of the windows and the types of enemies faced (particularly the Slime and the Dragon) make it likely that the Computer Virus is a parody of the Dragon Quest series.
  • Metal General, Security Force, and enemies in Team Kirby Clash, Team Kirby Clash Deluxe, and Super Kirby Clash show the damage taken every time they are hit by the players. Meanwhile, Computer Virus shows the total damage taken in one turn.
  • It's possible to defeat any enemy of Computer Virus in one turn. In the case of Red Dragon / Great Dragon (except in Helper to Hero), it requires the Suplex ability going second:
  • The wing flapping cutters of the Red Dragon / Great Dragon are later used by Landia.
  • In the Japanese version of Kirby Super Star, The Arena lists each enemy's name in English. The Computer Virus is the only boss that had its English name changed in the international versions. It was originally "Battle Windows", likely changed to avoid referencing the operating system Microsoft Windows.


Names in other languages[edit]

Computer Virus[edit]

Language Name Meaning
Japanese バトルウィンドウズ
Batoru Uindouzu
Battle Windows
French Virus Mystère Mysterious Virus
German Chaos-Computer Chaos Computer
Italian Battaglia a Turni Battle of Turns
Spanish Ordenador Loco Crazy Computer


Language Name Meaning
Japanese スライム
French Blob Blob
German Schleim Slime
Italian Slime Slime
Spanish Baba Slime

Dancing Doll / Puppet[edit]

Language Name Meaning
Japanese おどりにんぎょう
Odori Ningyō
Dancing Doll
French Marionnette Marionette, puppet
German Hampelmann Jumping-Jack
Italian Burattino Puppet
Spanish Títere Puppet

Witch / Magician[edit]

Language Name Meaning
Japanese まほうつかい
French Magicien Magician
German Magier Magician
Italian Mago Magician
Spanish Mago Magician

Evil Knight[edit]

Language Name Meaning
Japanese あくまのきし
Akuma no Kishi
Demon Knight
French Chevalier Knight
German Sir Unhold Fiend Knight
Italian Cavaliere Oscuro Dark Knight
Spanish Caballero Negro Black Knight

Red Dragon / Great Dragon[edit]

Language Name Meaning
Japanese レッドドラゴン / グランドドラゴン
Reddo Doragon / Gurando Doragon
Red Dragon / Grand Dragon
German Riesendrache Giant Dragon
Italian Dragone Dragon
Spanish Archidragón Great Dragon