Hyperdimension Neptunia Wiki
Hyperdimension Neptunia Wiki
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[[Category:Male Characters]]

Revision as of 05:10, 16 September 2017


Warechu (ワレチュー, Warechū), previously known as Pirachu in the English version, is a recurring antagonist in the Hyperdimension Neptunia series. Due to the Neptunia series being a game that revolves around different universes and dimensions, there are multiple Warechu's throughout the series, though they more or less have the same personalities.

Other Appearances


Hyperdimension Neptunia U: Action Unleashed

Cyberdimension Neptunia: 4 Goddesses Online

Main Article: Warechu/4 Goddesses Online

Drama CDs

~Yukemuri Onsen Satsujin Jiken in Planeptune no Maki~

Anime & Manga

Hyperdimension Neptunia: The Animation

Main Article: Warechu/The Animation

Musical Themes

Audio samples do not work on iPad or any medium that does not support the .ogg audio format.

Name Game Description Audio
Warechu's Theme Hyperdimension Neptunia mk2 Warechu has his own theme song, which is also is used as Linda's theme. It plays when either one or both of them appear during a cutscene and also during boss battles with them. Warechu's theme was composed by Kenji Kaneko is the twelfth track on the Hyperdimension Neptunia mk2 OST.
Koi no Download - Warechu's character song only released on the Hyperdimension Neptunia Share Complete Discs collection.


His original Japanese name, which is retained in Idea Factory International-translated titles, is a pun on 割れ厨 (same pronunciation) which literally means a (software) pirate. Chu (チュー) is also a sound of a mouse/rat in Japanese. In English, his name can also be seen as a reference to the term "warez".

Warechu's NIS America-translated name "Pirachu" is a reference to Pikachu. But the "Pira" may come from "Pirate", which is the act of illegally copying a game, movie, or any sort of licensed media.


  • Warechu is one of the few characters lacking a physical change between games.
  • Though he does not appear as a character, several variations of "Pirachu" can be found as dangerous foes in Hyperdimension Neptunia Re;Birth1 dungeons.

Bestial Warechu

  • In ending credit scenes, Warechu is often portrayed as a gigantic, bestial-looking monster; sometimes he is even serving as the final boss.
  • When Kurome mutated Warechu, he resembled the form found in the credits.