• Setting An inanimate voicebank with no human provider. Her voice comes from a text-to-speech site. Her formal name is "Utane Uta," but she prefers to be called Defoko. She is the default voicebank for UTAU. To her, all other UTAU are like juniors. Her favorite food is white rice. She can be foul-mouthed at times. Gender-wise, she leans female. First person: I (Watashi). • Appearance Purple hair, kept relatively short. Wears a black beret with "UTAU" written on it. Her ears are mechanical, typically depicted as gray circular parts with two or three cylindrical antennas growing out of them. Wears a white collared shirt with a black tie. Underneath, she wears a black long-sleeved garment. For bottoms, she wears a black skirt.

• Setting An inanimate voicebank with no human provider. A voicebank created by layering electronic sounds. Adachi Rei's younger sister. Like her sister, she is often depicted as an android. Her motif is a "Hitogata" (human-shaped doll). Her creator describes her as having an "electronic body immune to curses." She speaks in polite language (keigo), but she is secretly sharp-tongued. Gender-wise, she leans female. First person: I (Watashi). • Appearance Purple hair. Long hair styled into a side ponytail on the left. Wears a hair ornament shaped like a "Hitogata." Her outfit consists of a black long-sleeved one-piece dress, white tights, and loafers.

• Setting An inanimate voicebank with no human provider. A voicebank created by layering electronic sounds. Likely the most famous among inanimate voicebanks, with text-to-speech versions and official merchandise. Tsukumo Shion's older sister. Originally, she wasn't primarily an UTAU, but a machine created for the "Life-size Beautiful Girl Robot Project." Because of this, she has a strong android image. Her favorite food is fried chicken. She speaks in polite language (keigo). Gender-wise, she leans female. • Appearance Orange hair styled in a short side ponytail. Wears a white hooded jacket-like top over a black turtleneck inner layer. For bottoms, she wears a gray miniskirt. Wears black thigh-high socks that are almost as long as tights. Her shoes are sneakers.

• Setting An inanimate voicebank with no human provider. Created from sounds like car horns. Often found near crosswalks. Friends with Denka Sha. Has a serious, honest, and pure personality. Speaks in polite language (keigo). Gender is neutral/neither. First person: I (Boku, soft/polite). • Appearance Appearance based on a traffic guide motif. White skin like porcelain. Short black hair. His left eye consists of a yellow pupil and a green pupil stacked vertically. Wears a yellow helmet with "Safety First" written on it. Has an exclamation-mark-like object on his head that looks like a horn or rabbit ears. Wears clothes resembling a gray road with a yellow reflective vest. Carries a pouch-like object on his shoulder that looks like a pedestrian signal. His footwear consists of boots. By the way, his height is said to be about the same as a traffic sign.

• Setting An inanimate voicebank with no human provider. Created using various railway sounds, such as steam whistles, wheels, and rails. Friends with Michishirube Kiro. Has a bright and energetic personality. Gender-wise, she leans female. First person: I (Watashi, katakana). • Appearance Motif is the Soviet Ministry of Railways TE10 diesel locomotive, specifically the 2TE10U model (2ТЭ10У-0337). White hair styled in short twin tails. Wears black headphones. An orange hoodie. Underneath, she wears a white shirt with a black tie. For bottoms, she wears an orange, white, and black miniskirt. Wears black tights. Carries something resembling a megaphone. Her shoes are white sneakers.

• Setting An inanimate voicebank with no human provider. Created from the sound of air conditioner outdoor units. His large body and very deep voice give a scary impression, but he is actually gentle and loves cats and plants. Basically taciturn. Occasionally seen out for a walk. Gender-wise, he leans male. First person: I (Boku, soft/polite). • Appearance White hair, kept short. Appearance is a personification of an outdoor AC unit. Tube-like objects from an outdoor unit hang from his back. Wears a white, slightly dirty jersey-like top with pockets and white long pants.