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The title of this article is official, but it comes from a non-English source. If an official name from an English source is found that is not from the English Super Mario Bros. Encyclopedia, the article should be moved to its appropriate title.

A sprite of Hotaru from Wario Land 4
First appearance Wario Land 4 (2001)
Firefly (insect)

Hotaru is an enemy found in the Game Boy Advance game Wario Land 4. It only appears in the boss battle against Cractus in the Emerald Passage. While considered an enemy and indeed attackable, Hotaru has no negative effects on Wario and acts purely helpful to the player.

Hotaru in the battle against Cractus
A Hotaru appears in the battle against Cractus to reverse the effects of Zombie Wario.

Each time Wario damages Cractus, it will stand immobile on the stage for a few seconds. While it does so, it drools a clear, toxic liquid which will transform Wario into Zombie Wario, which would waste valuable time. As soon as he transforms, Hotaru will be seen, slowly moving across the screen. Since light can reverse the effects of Zombie Wario, the player would need to try and touch Hotaru by jumping. As soon as the status effect is reversed, Hotaru will disappear. It will return again whenever Wario transforms into his zombie form.

Pre-release screenshot of the Wario Land 4 boss battle with Cractus.
Pre-release screenshot of the Cractus fight with an unlit Hotaru.

In a prototype version of Wario Land 4, Hotaru was always visible; however, the firefly did not emit an aura of light when Wario was not transformed into a zombie.

Names in other languages[edit]

Language Name Meaning
Japanese ホタル[1]


  1. ^ Wario Land Advance: Yōki no Otakara Shogakukan game guide, p. 50.