Virtual YouTuber Wiki
Associated pages

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 Generation 0 alongside fellow solo debutants: Tokino Sora, Sakura Miko, Hoshimachi Suisei and AZKi.

Introduction Video



Roboco's introduction.

"Hellobo! Roboco here!"

A lonely, clunky robot from a faraway wasteland.

Now that she's a Virtual YouTuber, she wants to interact with

lots of people and live each day to the fullest.[1]
"Hello-robo! Roboco here!"

A lonely, wimpy robot from a random wasteland.

She is now hoping to contact and live with lots of people as a Virtual Liver.[2]


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.


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.



Her channel was created on 7 February 2018, her Twitter account was also created on February, her first video was uploaded on 4 March.[3]


On 30 March, she debuted her pink hoodie during a stream.[4]


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

On 24 August, she debuted her 3D swimsuit.


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.[5] This costume was later debuted on the same day.[6]

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.[7]

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.


On 16 January, she reached 500,000 YouTube subscribers during an endurance singing stream, making her the 28th hololive member to reach this milestone.[8]

On 24 April, Roboco reached 600,000 subscribers on her YouTube channel during an endurance singing stream.[9]

On 28 May, Roboco announced on her Twitter account that she would get a new costume.[10]

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 combine 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.[11]

On 16 July, she reached 700,000 YouTube subscribers during a Dead by Daylight stream.[12]

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


On 9 January, she reached 800,000 YouTube subscribers during an endurance karaoke stream.[13]

On 10 March, Roboco debuted a new accessory, a black and purple camouflage "PON" baseball cap with cat ears.[14]

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 Haato, Laplus and 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 varios 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.[15]


Main page: Roboco-san/Discography
kotonoha 1st single 25 September 2021    
  1. "Kotonoha" (コトノハ)
  2. "Kotonoha" (instrumental)
Roboco - Kotonoha.jpg
External links
Digital Release • Music Video • YouTube
rirubi 2nd single 24 May 2022    
  1. "Rirubi" (リルビ, Little Bit)
  2. "Rirubi" (instrumental)
Roboco - Rirubi.jpg
External links
Digital Release • YouTube



  • 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.



  • 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.

External Links


Twitter hashtags

Further readings

hololive logo
Solo Debutants
(hololive 0th Gen)
Tokino Sora (🐻)Roboco-san (🤖)Sakura Miko (🌸)Hoshimachi Suisei (☄️)AZKi (⚒️)
1st Generation Yozora Mel (🌟)Aki Rosenthal (🍎)Natsuiro Matsuri (🏮)Shirakami Fubuki (🌽)Akai Haato (❣️)
Retired Hitomi Chris (🌰)
2nd Generation Minato Aqua (⚓️)Murasaki Shion (🌙)Nakiri Ayame (👿)Yuzuki Choco (🍫💋)Oozora Subaru (🚑)
hololive GAMERS Shirakami Fubuki (🌽)Ookami Mio (🌲)Nekomata Okayu (🍙)Inugami Korone (🥐)
3rd Generation
(hololive Fantasy)
Usada Pekora (👯)Shiranui Flare (🔥)Shirogane Noel (⚔️)Houshou Marine (🏴‍☠️)
Retired Uruha Rushia (🦋)
4th Generation Tsunomaki Watame (🐏)Tokoyami Towa (👾)Amane Kanata (💫)Himemori Luna (🍬)
Retired Kiryu Coco (🐉)
5th Generation
Yukihana Lamy (☃️)Momosuzu Nene (🥟)Shishiro Botan (♌)Omaru Polka (🎪)
Retired Mano Aloe (👅)
6th Generation
La+ Darknesss (🛸💜)Takane Lui (🥀)Hakui Koyori (🧪)Sakamata Chloe (🎣)Kazama Iroha (🍃)
Office Staff Yuujin A (👓)Harusaki Nodoka (📝)
hololive IN logo
1st Generation Airani Iofifteen (🎨)Moona Hoshinova (🔮)Ayunda Risu (🐿️)
2nd Generation Kureiji Ollie (🧟‍♀️)Anya Melfissa (🍂)Pavolia Reine (🦚)
3rd Generation Vestia Zeta (📜)Kaela Kovalskia (🔨)Kobo Kanaeru (☔)
hololive EN logo
-Myth- Ninomae Ina'nis (🐙)Takanashi Kiara (🐔)Watson Amelia (🔎)Mori Calliope (💀)Gawr Gura (🔱)
Project: HOPE IRyS (💎)
-Council- Ceres Fauna (🌿)Ouro Kronii (⏳)Nanashi Mumei (🪶)Hakos Baelz (🎲)
Retired Tsukumo Sana (🪐)
hololive CN logo
(Dissolved Branch)
1st Generation Yogiri (🍼🎸)Civia (🌙🦄)Spade Echo (🍑) Everyone retired
2nd Generation Rosalyn (📖)Doris (🐟)Artia (❄️) Everyone retired
Holostars logo
1st Generation Hanasaki Miyabi (🌺)Kanade Izuru (🎸)Arurandeisu (🍕)Rikka (⚙️)
Retired Yakushiji Suzaku (💊)Kagami Kira (💙)
2nd Generation
Sun Tempo
Astel Leda (🎭)Kishido Temma (🦔💨)Yukoku Roberu (🍷)
3rd Generation
Kageyama Shien (🟣)Aragami Oga (🐃)
Retired Tsukishita Kaoru (💅)
UPROAR!! Yatogami Fuma (🦝)Utsugi Uyu (🃏)Hizaki Gamma (🖌️)Minase Rio (🕯️)
Holostars EN logo
TEMPUS Regis Altare (🎇)Magni Dezmond (🧤)Axel Syrios (⛓️)Noir Vesper (📗)


  1. 1.0 1.1 Roboco-san's profile. (2021, August).
  2. Roboco-san's profile. (n.d.).
  3. Robocosan [Roboco Ch.]. (2018, March 4). 【Roboco-san】Roboco ch. 04 03 2018 Teaser【#0】 [Video]. YouTube.
  4. Robocosan [Roboco Ch.]. (2018, March 30). Binaural:Chit Chat#1 ~Chat With Me~ [Video]. YouTube.
  5. Robocosan [@robocosan]. (2020, January 1). My hololive New Year's costume reveal stream is scheduled at 15:00!!!! I hope everyone will wake up and see it [Tweet]. Twitter.
  6. Robocosan [Roboco Ch.]. (2020, January 1). Unveiled!Take a Look✨I Got a Kimono Made👘Try to Fall for Me…?【hololive/Roboco-san】 [Video]. YouTube.
  7. Robocosan [@robocosan]. (2020, January 24). Everyooone😭😭 How was iiit??!?! I had a great tiiime🥰 [Tweet]. Twitter.
  8. Robocosan [Roboco Ch.]. (2021, January 16). 【Endurance】Singing Until 500k Subcribers, Go!!!!!!!【hololive/Roboco-san】 [Video]. YouTube.
  9. Robocosan [Roboco Ch.]. (2021, April 24). 【Endurance Stream】I Want to See It Pass 600k While in a Cappella Hell! I'm Counting on Youuu【hololive/Roboco-san】 [Video]. YouTube.
  10. Robocosan [@robocosan]. (2021, May 28). 💜New Costume Reveal💜 ST June 4, 9:00 p.m. - Have you been waiting?? I'll unveil my new costume! [Tweet]. Twitter.
  11. Robocosan [Roboco Ch.]. (2021, June 4). Moving Around with a New Form💓Eh... Is This Really Me??💓【hololive/Roboco-san】 [Video]. YouTube.
  12. Robocosan [@robocosan]. (2021, July 26). Even though I couldn't save Korone at the end, I survived thanks to her😭😭😭 Next time we'll all survive✊ [Tweet]. Twitter.
  13. Robocosan [Roboco Ch. - ロボ子]. (2022, January 9). 【80万人耐久】 80万人見届けたいっ✨耐久歌枠だよ~~❤【ホロライブ/ロボ子さん】 [Video]. YouTube.
  14. Robocosan [Roboco Ch. - ロボ子]. (2022, March 10). 【お披露目】初配信から4周年記念!お気に入りのアレがついに実装!!【ホロライブ/ #ロボ子生放送】 [Video]. YouTube.
  15. hololive production [hololive official fanclub]. (2022, August 9). 【ホロライブ・サマー2022】これが本当のホロライブサマー!? #1 [Video].
  16. hololive x Dawn of the Breakers [Website]. (n.d.). cyberstep.
  17. ゲスト出演されるVTuberの皆さん [Website]. (2020, January 28). compileheart.