Kaito

Name: Kaito
Gender: Male
Age: Unknown
Voice: Naoto Fūga
Name Meaning: Comes From "Taro" A Placeholder Name For Male Characters
Number/Code: Unknown

Akita Neru

Name: Akita Neru
Gender: Female
Age: 17
Voice: Unknown
Name Meaning: Get Bored Or Go To Bed
Number: Unknown


Others: Stated as Fanmade over an already existing vocaloid. The Vocaloid she was modeled after was not named but she looks mainly like Hatsune Miku.

Honne Dell

Name: Honne Dell
Gender: Male
Age: Unknown Supposedly 20+
Voice: Kagamine Len
Name Meaning: True Feelings, Dell As In The Laptop Brand
Number/Code: Unknown

Others:
Dell is a fanmade counterpart of Haku. Most of his information will be unknown due to his unknown fan maker. Maker has been defined as CAFFEIN but we are unsure if rights belong to them. 

IA

Name: IA
Gender: Female
Age: Not Assigned Myth Is She Is 15
Voice: Lia
Name Meaning: Named After Voice, Aria On The Planetes
Number/Code: Untold

Megurine Luka

Name: Megurine Luka
Gender: Female
Age: 20
Voice: Yū Asakawa
Name Meaning: Songs All Around The World
Number/Code: 03

Yowane Haku

Name: Yowane Haku
Gender: Female
Age: Not Assigned
Voice: Not Assigned But Supposedly Does Songs That Hatsune Miku Did That Didn't Work
Name Meaning: Negative Thoughts
Number/Code: DTM

Len and Rin Kagamine

Name: Rin and Len Kagamine
Gender: Rin-Female Len-Male
Age: 14
Voice: Asami Shimoda
Name Meaning: Rin-Right Len-Left
Number/Code: 02