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She m-m-must be an angel, chump! Oh Compa, you must be my guardian angel!
— Warechu


Warechu, previously known as Pirachu, 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.

Pages related to a specific Warechu:

Variations

Main Series

Hyper Dimension Warechu

A proud member of the Arfoire Syndicate of International Crime (ASIC), Warechu frequently is seen doing the organization's dirty work alongside Underling. Though opposed to Nepgear and her party, Warechu is smitten with Compa due to her tending to his injuries.

Ultra Dimension Warechu

Warechu is one of the Seven Sages. He frequently works alongside fellow sages Arfoire and Mr. Badd in underhanded schemes.

Other Appearances

Anime & Manga

Hyperdimension Neptunia: The Animation

Trivia

  • 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's Idea Factory International-translated name "Warechu" is a reference to 割れ厨 (same pronounciation) 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 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.

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