List of Minor Characters in the Clockwork Lullaby Series

This is a list of minor characters that have appeared or are mentioned in passing in the Clockwork Lullaby Series, including in its songs or other related media.

Unknown Miku Character
An unidentified character that spoke to Irregular from the Clockwork. While he was trapped within there, her eerie voice called out to him and told the "sinful boy" that he was destined to be confined within that room for all of eternity. She is portrayed by the Vocaloid Hatsune Miku.

Red Handcuffs
A pair of handcuffs that bound both of Irregular's arms while he was trapped within the Clockwork, representing the color of someone's blood. As the Clockwork begins to rotate and light up, the red handcuffs disappear from Irregular's body and whisper that he shall be reborn soon. They are portrayed by the Vocaloid MEIKO.

Blue Shackles
A pair of shackles that bound both of Irregular's legs while he was trapped within the Clockwork, representing the color of someone's tears. As the Clockwork begins to rotate and light up, the blue shackles disappear from Irregular's body and tells him that today was his new birthday. They are portrayed by the Vocaloid KAITO.

Greedy-hearted Person
An unidentified character that bears a sin of greed. A mysterious girl sung a lullaby to the person, however she expressed uncertainty of it ever being able to heal their heart, feeling as if they were still caught up in a dream.

Unknown Rin Character
An unidentified character that yearns to be reunited with the person who had taught her words, taking an interest and desire upon learning new words because of it. She begins to learn new words such as father, mother, friend, dream and finally learns about the word love with an oblivious and naive nature. As she learn these words, she believes she knows the entire shape of the world but still cannot put her own feelings into words. She begins to learn more words such as lie, pain, crime, punishment and finally learns about the word evil. Ultimately, the girl becomes aware of the darkness in the world and wonders about what words she would use when she is cast aside, wanting to never know the answer to that question. However despite that, she states that she'll continue to do her best to keep "playing with words".

On a crescent moon night, she attempts to create the person who created her, never forgetting the words they had taught her as her lab coat becomes even more red as she continues to destroy something over and over again to revive them. She proceeds to take the words she has learned and turned them into a song, wanting to teach her song to the person who taught her words. Later, the girl sings her resounding lullaby to a greedy-hearted person, however she expressed uncertainty about it healing their heart. Although having a fixed fascination upon learning words and an opportunity to gain more knowledge, she appears holds skeptical attitude towards humans. She believes that humans are just creatures that will never be satisfied, not understanding what they need or what they hope to obtain and believes that if they feel tired that they should just simply go sleep. She is represented by the Vocaloid Kagamine Rin.

Unknown Visitor
An unidentified character that stumbled upon Evil's Theater. Despite warnings of inevitable death to those who entered Evils Forest, the treasure hunter entered in search of Gallerian Marlon's fortune in the theater. After passing through the graveyard, the intruder was captured and awaited his "trial" by the Master of the Court. Ma accompanied the prisoner and began showing fifteen films before his sentence.