Haiyore! Nyaruko-san W OVA
Mahiro Yasaka
Utama
Male · Umur 17 · Gol. darah O
The male protagonist of the story. Usually avoids close contact with Nyaruko and often stabs her with a fork. Since this is a parody anime, Mahiro is a tsundere. It is shown that Mahiro has feelings for Nyaruko, but doesn't like her aggressiveness.
Eri Kitamura
Nyaruko
Utama
Female
A Nyarlotephian, who has come to Earth on a mission to protect Mahiro. Nyaruko has a bright personality, as she is always shown to be happy and rarely down. She likes anime, manga, games, and superhero shows. She has perverted thoughts that usually revolve around Mahiro, whom she says to love.
Kana Asumi
Cthuko
Utama
Female
A Cthuko (another alien species), who is Nyaruko's childhood friend from kindergarten and elementary school. Instead of thinking of Nyaruko as her enemy (because they're different species, and both Cthuko and Nyarlotephian are enemies), she loves her deeply. Kuko is usually quiet and blushes a lot. She has really perverted thoughts. Nyaruko calls her 'NEET', due to the fact that she loves games.
Miyu Matsuki
Hasta
Utama
Male
A Hastur (alien species), who attended the same space kindergarden and space elementary school with Nyaruko and Chtuko. Despite Hastur's appearence, Hastur is actually a boy. Nyaruko and Cthuko call him "Hasuta-kun". He possess the power of air, and is known to be stronger than both Nyaruko and Cthuko, since he was the one who always stopped their fight during space elementary school. Hastur is based on Hastur: The deity of the wind. Hasuta (Shouen version in season 2) is voiced by Seki Tomokazu.
Rie Kugimiya
Luhy Jistone
Pendukung
Female
She is a Cthulhi (also known as the star-spawn of Cthulhu) who was working in company Cthulhu, a space company that producing video games and other entertainment that rivals that of CCE until issues occured. She now runs a Takoyaki business.
Mariko Kouda
Tamao Kurei
Pendukung
Another classmate of Mahiro's. She is a member of the school's newspaper club and also very noisy. She is also called "Walking Speaker", and has a habit of gossiping and asking questions like a newsreporter. Tamao is also a close friend of Nyaruko's, telling her usually advices how to get Mahiro hers.
Yuka Ootsubo
Yoriko Yasaka
Pendukung
Female
Mahiro's mother who happens to work as a part-time deity hunter. She is a skilled fighter as well as an avid gamer, she is adept in using ordinary common dining forks as her throwing weapon.
Aya Hisakawa
Shantak-kun
Pendukung
Nyaruko's pet. A female shantak (monster in Cthulhu mythos, a bird with horse's head and bat's wing). have many different forms including enlarging to stories high, a dog's size. or turn into different vehicles. According to Nyaruko, shantaks' eggs are precious and expensive food in space, despite Mahiro never accepts to eat them. Nyaruko arrived on earth by taking spaceship transformed from Shantak-kun. (Source: Wikipedia)
Satomi Arai