He is a White Blood Cell, specifically a Neutrophil, working under the Neutrophil Division. Along with the other neutrophil comrades, he's tasked to patrol around the Blood Vessel and remove any invading Foreign Substances such as Germs and Viruses.

(Source: Cells at Work Wikia)

From Akane Shimizu, winner of Shounen Sirius' Rookie Award, comes an informative tale about anthropomorthized cells!
 
Strep throat! Hay fever! Influenza! The world is a dangerous place for a red blood cell just trying to get her deliveries finished. Fortunately, she’s not alone … She’s got a whole human body’s worth of cells ready to help out! The mysterious white blood cell, the buff and brash killer T cell, the nerdy neuron, even the cute little platelets—everyone’s got to come together if they want to keep you healthy!
 
(Source: Kodansha Comics & MangaUpdates)
 
Note: Contains the spin-off one-shot "Hataraku Saibou: Kansen-hen".

The average human body contains about 60 trillion cells, and each of them has work to do! But when you get injured, viruses or bacteria invade, or when an allergic reaction flares up, everyone from the silent but deadly white blood cells to the brainy neurons has to work together to get through the crisis! 
 
(Source: Kodansha Comics USA)

__Agency:__ Arts Vision

**[Profile](https://www.artsvision.co.jp/talent/526/) | [Wiki (en)](https://en.wikipedia.org/wiki/Tomoaki_Maeno) | [Wiki (jp)](https://ja.wikipedia.org/wiki/%E5%89%8D%E9%87%8E%E6%99%BA%E6%98%AD) | [Twitter](https://twitter.com/Tomoaki___Maeno)**

Married fellow voice actor [Mikako Komatsu](https://anilist.co/staff/105071/Mikako-Komatsu) on May 12, 2020.

**Non anime roles:**
- [Zhongli](https://anilist.co/character/209686/) - Genshin Impact (VG)
- Luke Sullivan - Street Fighter (VG)
- Lif - Fire Emblem Heroes (VG)
- Ash Carbide - The Legend of Heroes Series (VG)

__Residency:__ Los Angeles, California, USA

__[Website](https://www.billykametz.com/) | [Twitter](https://twitter.com/BillyKametz)__

__Billy Kametz__ was an American voice actor.

__[Weibo](https://weibo.com/6759332602) | [Bilibili](https://space.bilibili.com/396054199)__

A mysterious cell wearing a stylish hat appears before the regular cells, who are bored with just the same (cell division) work over and over again, every day. This mysterious cell lures the regular cells into a mischievous scheme against White Blood Cell and Killer T Cell. The regular cells enjoy working out their everyday, pent-up frustration. But, just who exactly is this cell wearing a stylish hat?
 
(Source: Anime News Network)

The second season of Hataraku Saibou. 
 
Cells at Work!! continues the tale of…well…you! Set inside the human body, Cells at Work!! chronicles the life and times of everything from the oxygen-carrying Red Blood Cells to the bacteria-fighting White Blood Cells. And, of course, the dangerous viruses and villains lurking beneath the skin! 
 
(Source: Funimation) 
 
Notes: 
- The episodes were streamed two days ahead of the Japanese broadcast on Funimation beginning on Jan 8, 2021 at 2:00 JST. The regular TV broadcast started on Jan 9, 2021 at 23:30 JST. 
- The pre-screened movie "Hataraku Saibou!!" Saikyou no Teki, Futatabi. Karada no Naka wa "Chou" Oosawagi! is included as episodes 4-8 split into the broadcast.

This one-shot was published in collaboration with Psoriasis Partners and Celgene to celebrate World Psoriasis Day (October 29th). It is also intended to help reduce the stigma surrounding the condition.

BD/DVD specials of Hataraku Saibou included in disc volumes 3-7.

Ever wonder who’s keeping your body safe? The fantastic, fierce White Blood Cells, of course! Follow these feisty fellows on their journey to eliminate everything that could make you sick!
 
(Source: Kodansha USA)

The smash-hit anthropomorphic cell fantasy’s latest spinoff features a fearsome Killer T Cell as its protagonist! Killer T Cells are the assassins who destroy virus-infected cells and other foreign contaminants to keep things peaceful inside the body. The Squad Leader of the Killer T Cells is feared by all … but he wants to change his public persona! He wants friends! But he can’t just say so! Solo karaoke, hot pot parties, and smartphones … Cells using modern gadgets in their daily lives unexpectedly result in one hilarious situation after another!
 
(Source: Kodansha USA)

An original story collaboration with Otsuka Pharmaceutical that added new animation and dialogue to the existing of Cells at Work!'s ep11. Created to promote understanding of heat stroke and to let people know the importance of taking proactive measures, in response to the record high of emergency transports due to heat stroke in the summer of 2018. 

Hakkekkyuu U-1146