Theory Amadeus Liddell Yumeiro
Image Unavailable
Image Unavailable

Image by Kuro Cure/Hello Chainsaws

Western Name: Theory Amadeus Liddell Yumeiro (Theo)
Eastern Name: 夢色Theory (Theo)
Kana Pronunciation: ゆめ-いろ-しおり

Gender: Male
Age: ???

Release Date: February 14, 2017
Group/Team: UTAU Human Project (UHP)

Official Site

Technical Details

Voiced by: Kuro Cure/Hello Chainsaws
Managed by: Kuro Cure/Hello Chainsaws

encode1.png alias0.png config0.png

Voicebank Distribution

~A natural singing voice that can, with the additional tones, be tuned realistically and emotionally~


  • Tripitch: G3, E4, A4
  • Appends: Strong at A4 (C), Whisper at E4 (W), Dark at G3 (D), Falsetto at A4 (F), CV Edge at A3 ('), and the Natural higher range at B4 (↑)
    • Each append is one pitch and recorded in the pitch according to its optimum range, coinciding with the core pitches
  • Usage tips:
    • Recommended resampler is Moresampler, however tn_fnds is also good
    • Flags may differ for different tones, but default flags are Mo10Mb-10Mt-25
    • Use of positive gender flags above the value of 5 is not recommended
    • Oto was generated in moresampler
    • He is geared for experienced tuners, but he is also beginner-friendly


  • 4-pitches: G3, A3, E4, B4
  • Recommended resampler: TIPS


  • Voicetype aimed to imitate Sukone Tei's tone. The voicer asks not to refer this voicebank as Sukone Tei.
  • Monopitch at E4 with various extras including vocal fry, glottal stops and end breaths (extras are unoto'ed)
  • Recommended resampler: tn_fnds

Terms of Use

R-18 Content Allowed? Permission Required
Commercial Use of Voicebank Allowed? Permission Not Required
Commercial Use of Character Allowed? Permission Not Required
Do these terms apply to derivative characters/voices? Derivatives of any sort are forbidden
Click here to view the terms of use for this UTAU.
[* Click here to view commercial license info for this UTAU.]

Voice Sample(s)

Character Details

Height: 5'1" / 155cm

Weight: 70lbs / 34kg

Likes: Sweets, expensive foods, physical activity, nature, animals, 逆さ指揮 (Sakasa Shiki, cousin), 夢色刃先 (Yumeiro Hasaki, brother), making new friends, books, music, exploring, toys
Dislikes: Being alone, bad food, bullies


  • His favorite food is caviar
  • His character is inspired by the character Alice (Alice in Wonderland)
  • He is capable of speaking both Japanese and English, though he's always learning Japanese from Shiki or Hasaki, his housemates
  • When he speaks English, he has an English accent
  • He tends to be obsessive
  • He's mischievous and tends to need a lot of stimulation or else he gets into trouble (he has a natural talent for getting into things he isn't supposed to)
  • He can run at speeds of up to Mach 2 for very short bursts and lift objects vastly heavier than himself; you do not want to make him angry
  • He can be a brat and throw tantrums often but he usually doesn't bear grudges
  • He has a companion named Finley, a small flying creature that resembles a teru teru bozu
  • If there's someone or something he admires, he will attempt to mimic it
  • His ultimate goal is world domination

Image Unavailable

Image by Kuro Cure

Image Unavailable

Image by minome & Kuro Cure

Image Unavailable

Image by Kuro Cure

Image Unavailable

Image by Kuro Cure

Image Unavailable

Image by Soulty

Unless otherwise stated, the content of this page is licensed under Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License