Summary of Vocaloid and Voice Library Types (Including CeVIO and UTAU)
Starting with the 2007 debut of Hatsune Miku, the number of Vocaloid characters and voice libraries has grown alongside the expansion of the scene.
I’m sure each of you has your own favorite Vocaloid character.
In this article, we’ll give a quick overview of the many Vocaloid characters and the different types out there.
It’s recommended for anyone who wants to start making Vocaloid tracks but isn’t sure which voicebank to use!
Strictly speaking, “Vocaloid” refers only to certain libraries like Hatsune Miku and Kagamine Rin/Len, but here we’re using the term “Vocaloid” as a catch-all for other singing synthesis technologies and voice libraries as well.
Thanks for your understanding in advance!
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Summary of Vocaloid and Voice Library Types [including CeVIO and UTAU] (1–10)
Yuzuki Yukari
Yuzuki Yukari, a Vocaloid created based on the voice of voice actress Chihiro Ishiguro, was released in 2011 as part of a project by VOCALOMAKETS, a creator team centered around Vocaloid producers.
She is characterized by a sweet, glossy singing voice that conveys the charm of an adult woman.
With a clear tone and a talent for emotional singing, she adapts well to a wide range of genres—from songs that leverage traditional Japanese sounds to rock and ballads.
Her cute, supple appearance also gives her a calm, soothing presence as a character.
Megurine Luka
Vocaloid Megurine Luka has been active across a wide range of scenes from the early days of the Vocaloid movement to the present.
Released in 2009 as the third installment following Hatsune Miku and Kagamine Rin/Len, she is also known as the first Vocaloid to achieve Japanese–English bilingual capability.
Her cool expression and long pink hair are distinctive, matching her mysterious singing voice that exudes a mature aura.
From passionate tracks like “Luka Luka★Night Fever,” which made her name widely known, to songs that depict heartrending emotions, she is a character who can perform an impressive breadth of music.
GUMI（Megpoid）
GUMI is a Vocaloid created based on the voice of voice actress Megumi Nakajima, known for her work in numerous titles such as the anime Macross Frontier.
Since the early days of the Vocaloid scene, she has been used primarily in rock-oriented Vocaloid tracks.
In Matryoshka, produced by Kenshi Yonezu, she collaborated with Hatsune Miku, delivering a rich, human-like singing voice.
She’s a memorable character with light green, wavy hair, singing energetically.
With her piercing female vocals, add vivid color to passionate sounds.
Summary of Vocaloid and Voice Library Types [Including CeVIO and UTAU] (11–20)
Yuki Kaai
The voice library produced by the software brand AH-Software is Yuki Kaai.
She is a character who debuted in 2009 alongside the voice libraries Kiyoteru Hiyama and miki, and one of her distinguishing traits is that she is set as an elementary school student.
In fact, she was created based on voice data from a real female elementary school student.
As the description suggests, her charm lies in her childlike singing voice, but this is the Vocaloid scene, where many different producers are active.
Among them are solidly cool tracks and artistic works as well.
You can glimpse her true capability in the smash hit “Rag Train” by Kumori Inaba.
Otomachi Una
Otomachi Una was created based on the voice data of voice actress Aimi Tanaka, who played the protagonist Umaru in the anime “Himouto! Umaru-chan.” It’s well known for being used in songs like Kinoshita’s “I Want to Be That Right Now!” and Carlos Hakamada’s “Different!!!”.
There are two libraries: Sugar, which is known for its sweetness, and Spicy, which gives a crisp, lively impression.
Both have an extremely cute vocal quality! Maybe that’s why I feel like songs featuring Otomachi Una are often bursting with energy.
KAITO
KAITO is a male vocal library affectionately known as “Big Brother.” It was released in February 2006, before Hatsune Miku’s debut in August 2007, and was the first male voice among Japanese Vocaloids.
KAITO’s popularity soared with the Hatsune Miku boom, earning him many fans.
His appeal lies in his cool yet warm singing voice.
He also excels at comedic or meme songs, and many people became KAITO fans because of that character trait.
When it comes to male Vocaloids, KAITO is the first name we can recommend.
Zundamon
Zundamon was born as a derivative of Tohoku Zunko, a character based on zunda mochi.
After serving for a long time as a mascot-like character, it suddenly became humanized in 2021 and was turned into a voice library, which drew a lot of attention.
It can be used as a UTAU and NEUTRINO voicebank, known for its cute singing voice.
In a curious phenomenon, many songs have been created using Zundamon itself as a motif—like Namigure’s “Zunda Dancing” introduced here—and have gained popularity.
Saying it like that kind of brings back memories of the early days of the Vocaloid boom, doesn’t it?