Teto is a UTAU and a SynthV voicebank. She's the most popular voicebank outside of VOCALOID and Crypton Future Media's main six. She's part of the Triple Baka trio, consisting of her, Hatsune Miku, and fanloid Akita Neru. She can be seen as baguette-loving, twindrilled, and a chimera.

Defoko (Utane Uta) is a UTAU. She is the default voice that comes preinstalled with the UTAU software. Her voicebank derives from the voice synthesis software AquesTalk. She bullies Momone Momo for no particular reason. She can be seen as cool, appearing lonesome and melancholic with a rice and a rocket-propelled grenade in her hands.

Momo is a UTAU. She's infamous for her "Nyan Cat" cover. She is Defoko's bullying victim. She can be seen as a Maid and Nanny boy, obedient, and shy.

Ruko is a UTAU. They're 90% male and 10% female, and pretty tall (197cm). They can be seen as a deredere, Megurine Luka's opposite and a gambler.

Tei is a UTAU who's commonly interpreted as a yandere towards VOCALOID Kagamine Len, though she wouldn't kill anyone for that. She also likes baking cakes. She can be seen as poorly designed and a loving yandere.

Ritsu is a UTAU and is HEAVY (25 tons) because their chest is said to be a set of missiles. They can be seen as an okama (a bully whose favorite tactic is purple nurples), a UTAU likely to betray Japan for North Korea, and being named "the lonely diva."

KAFU is a CeVIO voicebank. She can be seen as a Musical Isotope of another virtual singer named "KAF"

#kzn is a CeVIO and Voisona voicebank. Apparently, she's voiced and represented by VTuber Kizuna AI... not artificial intelligence. She can be seen as a VTuber too, retaining the characteristics of Kizuna AI.

Minato is a CeVIO and Voisona voicebank. She's advertised as a speech synthesis character project that started from a clean place with a completely new character. She can be heard as a new sound with a straight core and a deep blue voice. She can be seen as a spicy food enjoyer.

Zundamon is a CeVIo and a Voisona voicebank, formerly released as a UTAU. Zundamon is Tohoku Zunko's sidekick and a zunda-mochi sprite who is capable of transforming into Zunko's "Zunda Arrow". She carries a somewhat unlucky attribute and often goes under everyone's radar. She can also transform into a human at will, named Bishoujo.