Roboco-san

Virtual Robot Roboco-san (ロボ子さん, Roboko-san, lit. Miss Robogirl) is a female Japanese virtual YouTuber and the second member ever of hololive. While she debuted alone way before generations were established, she is currently part of "hololive 0th gen" alongside fellow solo debutants: Tokino Sora, Sakura Miko, Hoshimachi Suisei and AZKi.

Profile
Revision = Original =

Personality
Roboco is a robot girl who loves to pose. She has a killer instinct inside her. She is great at shooting except in video games, but likes to run over people in them. She hates when games try to surprise her. Her voice is spoken very calmly, almost a whisper.

Appearance
Roboco wears a biker jacket with red stripes. She also wears black rimmed glasses. Her lower body consists of a pair of inverted chaps that only cover her crotch.

Her hairstyle is often "modified" between short brown-hair or long-hair, sometimes with cat ears or wearing glasses. It is revealed that, in the Holo no Graffiti shorts, she ties her hair in a ponytail.

Background
Roboco was originally a character created and modeled by kuromaru9 with some artwork dating back to 2014, years before the VTuber trend started.

Roboco's first 3D model was finished on 23 May 2016.

Her channel was created on 7 February 2018, her Twitter account was also created on February, her first video was uploaded on 4 March 2018.

2018
On 30 March, she debuted her pink hoodie during a stream.

2019
On 7 May, she reached 100,000 YouTube subscribers.

On 24 August, she debuted her 3D swimsuit.

2020
On 1 January, she announced on her Twitter account that she would get a new 3D costume, a kimono in celebration of the new year. This costume was later debuted on the same day.

On 24 January along with the other hololive girls up to the third generation, she debuted her 3D idol outfit at hololive's 1st fes. Nonstop Story.

On 16 April, she reached 200,000 YouTube subscribers.

On 4 August, she reached 300,000 YouTube subscribers.

On 7 November, she reached 400,000 YouTube subscribers.

2021
On 16 January, she reached 500,000 YouTube subscribers during an endurance singing stream, making her the 28th hololive member to reach this milestone.

On 24 April, Roboco reached 600,000 subscribers on her YouTube channel during an endurance singing stream.

On 28 May, Roboco announced on her Twitter account that she would get a new costume.

On 4 June, she debuted her new 3D costume. In this costume Roboco wears a black bride dress, with a lot of red motifs to match with her arms and legs, the dress also have a lot of big roses with various tones of purple, these roses are also present in the tiara that she can optionally wear, unlike other outfits in this one Roboco wears shoes. She also has a black object coming out the right side of her forehead that is not present in other costumes.

On 16 July, she reached 700,000 YouTube subscribers during a Dead by Daylight stream.

On 24 September, Roboco debuted her third original song "kotonoha."

2022
On 9 January, she reached 800,000 YouTube subscribers during an endurance karaoke stream.

On 10 March, Roboco debuted a new accessory, a black and purple camouflage "PON" baseball cap with cat ears.

On 9 August, as part of the "hololive Summer 2022" event, Roboco debuted her second 3D swimsuit in a stream held on hololive's official fanclub page in a segment alongside Akai Haato, La+ Darknesss and Omaru Polka. Unlike the original swimsuits from 2019 that had individual designs, these swimsuits are meant to be matching outfits similar to the 3D idol costumes. The swimsuits come in two types one with thin straps for the top and a diagonal cut mini skirt and the other one has ruffled straps in the top and an even mini skirt. Both version are white with various patterns including hololive's and Holoearth's logos, hearts and sparks. The swimsuits are personalized by including different colors to match each talent. Additionally they have the option to wear a hoodie.

On 26 August, continuing the "hololive Summer 2022" event, Roboco debuted her 3D yukata. Like other 3D costumes the yukatas have a variety of styles that hololive members can choose from. The yukatas come in various colors and patterns including fireworks, flowers and goldfish.

On 13 October, Roboco announced on her Twitter account that she would go on hiatus until November after the dead of her cat Nyu「にゅ」.

On 23 November, Roboco returned to her activities.

On 5 December, Roboco announced that her main model would be updated.

On 9 December, Roboco debuted her new main model. According to Roboco this is her "V3" update. One of the notorious updates is that she has the option to use triangular headgear, and they are featured as part of her new visuals. She also received updates to her expressions.

2023
On 31 January, Roboco reached 900,000 subscribers on her YouTube channel during a singing endurance stream.

On 12 February, various of Roboco's previous accessories from her "V2" model were updated and made compatible with her "V3" model.

On 4 March, as part of the fifth anniversary since her debut, Roboco debuted two new hairstyle using long braided twintails or small twintails both decorated with pink ribbons and hairpins.

On 18 March, Roboco debuted her new 3D idol costume during hololive 4th fes. "Our Bright Parade" DAY 1.

On 23 May, during her birthday stream, Roboco debuted a new costume. Roboco uses the previously released long braided twintails and small twintails. One of the most notorious differences is that Roboco has human-like arms instead of her usual robotic ones. Roboco wears a black camisole crop top with a pink edge. On top of of it she wears a pink waist bag. Roboco uses black shorts. She can also use a pink hoodie similar to her standard one but this one can be unzipped.

She also released her third single "glory days."

On 30 July, as part of the "hololive Summer 2023" event, during a karaoke relay, Roboco debuted her third 3D swimsuit. The 2023 swimsuits are inspired in a sailor uniform. Members wear a two layered swimsuit, the first layer is blue from the straps going down diagonally to the center where each member has a mostly blue bow but one of the sides and the brooch are in one color representative of each member. The rest of the top is white. The edge has a semi circular cut. The lower piece of the first layer has two variants, one is a two layered blue skirt decorated with a white belt, a golden chain with some decorations hanging from it and a bow to the left and planks to the right. The second version is mostly the same but they wear blue shorts instead of a mini skirt. The second layer of the outfit is a matching striped bikini in white and another color depending on the member.

Discography

 * Main page: Roboco-san/Discography

Events

 * She debuted as a DJ at Re:Animation 13 on 12 January 2019.
 * On 4 April 2019, she made an appearance in hololive's collaboration with Dawn of the Breakers,she was the central character, and the first ever hololive VTuber to appear in the game. Despite appearing alongside Shirakami Fubuki, Oozora Subaru, Minato Aqua and Yuzuki Choco the first two events were called "The Roboco san x Dawn of the Breakers Crossover."
 * On 28 January 2020, it was announced on Dengekionline that she would make an appearance in the game Neptunia Virtual Stars as one of the VTuber guest characters alongside Tokino Sora, Shirakami Fubuki, Sakura Miko, Minato Aqua, Yuzuki Choco, Inugami Korone, Shirogane Noel and Houshou Marine.

Fans

 * Her fanbase is officially called "Robosa" 「ろぼさー」. They are represented by gray and black batteries with yellow eyes and a lightning on top of their heads.

Relationships

 * Units and groups she is part of:
 * "Anpontan Sisters," alongside Aki Rosenthal and Himemori Luna.
 * "Robotal," alongside Aki Rosenthal.
 * "RoKobo," alongside Kobo Kanaeru.
 * "Happy Set," alongside Natsuiro Matsuri and Nakiri Ayame. They were a team in the inaugural VTuber Most Cooperative Tournament/VSaikyo.
 * "ARK Stars," alongside Astel Leda and Yuzuki Choco. They were a team in the third season of the VTuber Most Cooperative Tournament/VSaikyo.

Trivia

 * Roboco uses rather masculine personal pronoun "boku;" this trait is shared with Nekomata Okayu and Amane Kanata.
 * Roboco has a Persian cat named Koromo and another cat called Hapi.
 * She also used to own a pet rabbit called Mikan, but it died in summer 2020.
 * She's good at FPS games and greatly enjoys playing them. She contacted Tokoyami Towa soon after her debut due to their shared interest and became quick friends after playing together. She then repeated the process with Nakiri Ayame.
 * She loves cute things and even lines them up on her desk.
 * She is the fifth member of hololive after Artia, Kiryu Coco, Amane Kanata and Aki Rosenthal to join the official hololive Subreddit as a moderator.

Media

 * Roboco Ch. - ロボ子 - YouTube channel
 * Robocosan's corporate profile on hololive.hololivepro.com
 * @robocosan - Twitter account
 * 萝卜子Official - bilibili channel
 * /u/robocosannnn - Reddit account

Twitter hashtags

 * #robo_co - General
 * #ロボ子生放送 - Stream talk
 * #ろぼさー - Fans
 * #ロボ子Art - Fan art
 * #ロボジュール - Schedule
 * #聴いたよロボ子さん - Commentary on released voice dramas
 * #ロボ子さんと一緒 - Hololy
 * #ロボ子レクション - Video clips

Further readings

 * ロボ子さん - Nicovideo Encyclopedia
 * ロボ子さん - Pixiv Encyclopedia
 * ロボ子さん - Japanese Wikipedia
 * ロボ子 - unofficial hololive Seesaawiki
 * 萝卜子 - Moegirl Encyclopedia
 * 로보코 씨 - Namu Wiki