Yamaguchi was a colleague of Togusa. Both have worked in the main office of the police squad before Togusa moved to section 9. Meanwhile, Yamaguchi works in the Special Investigations Division, which was established specifically to investigate the case of the "Laughing Man".

In the not so distant future, mankind has advanced to a state where complete body transplants from flesh to machine is possible. This allows for great increases in both physical and cybernetic prowess and blurring the lines between the two worlds. However, criminals can also make full use of such technology, leading to new and sometimes, very dangerous crimes. In response to such innovative new methods, the Japanese Government has established Section 9, an independently operating police unit which deals with such highly sensitive crimes. 
Led by Daisuke Aramaki and Motoko Kusanagi, Section 9 deals with such crimes over the entire social spectrum, usually with success. However, when faced with a new A level hacker nicknamed “The Laughing Man”, the team is thrown into a dangerous cat and mouse game, following the hacker’s trail as it leaves its mark on Japan. 
(Source: MyAnimeList)

Kirk Baily was an American actor. He was best known for his role as Kevin "Ug" Lee on the Nickelodeon sitcom Salute Your Shorts, and later for his voice acting roles in animation and video games.

Baily found success as a voice actor, starring as Tetsuya Kajiwara in Fushigi Yûgi, Millions Knives in Trigun, and Shin in Cowboy Bebop. He also worked doing ADR looping for film and television.

Baily became sick, tested positive for lung cancer in August 2021, but stated he would continue to do dubbing projects as long as he was able to. He died in Los Angeles from heart failure caused by the disease on February 28, 2022, at the age of 59.


In 2024, the terrorist incident known as "The Laughing Man Incident" occurred in which Ernest Serano, president of the groundbreaking micromachine company, Sereno Genomics, was kidnapped and ransomed. One day, the case having remained unsolved for six years, Detective Yamaguchi, who has been investigating "The Laughing Man Incident," sends word that he wants to meet with Togusa from Public Safety Section 9. However, soon after sending this message, Yamaguchi, crucial to the success of the case, dies in an accident. Many days pass and in the midst of a police interview relay concerning suspicions behind interceptors, a forewarning is received from "The Laughing Man" of his next crime. The incorporeal hacker begins to move once again.
 
(Source: Anime News Network)

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Marco Aurélio Campos is a Brazilian actor, voice actor, dubbing director, translator, and journalist. He is the boyfriend of the voice actress [Fernanda Baronne](https://anilist.co/staff/112813/).

__Non-Anime Roles:__
~!- The Tenth Doctor (Doctor Who)
- Barney Stinson (How I Met Your Mother and How I Met Your Father)
- Anthony J. Crowley (Good Omens)
- Daniel "Dan" Espinoza (Lucifer)
- Eugene "Gene" Belcher (2nd voice - 2nd season onwards; Bob's Burgers)
- Korg and Kurt Goreshter (Marvel Cinematic Universe)
- David Tennant, Taika Waititi and John Magaro (Most of the productions)
- Gabriel "Gabe" Lewis (The Office)
- Donatello (Rise of the Teenage Mutant Ninja Turtles)
- Dean Craig Pelton (Community)
- Mr. Lyle Shapiro (Never Have I Ever)
- Donny Dunn (Baby Reindeer)
- Felix Dawkins (Orphan Black)
- Grant Imahara (Mythbusters)
- Jesse St. James (1st dub; Glee)
- Isao Kondō (Gintama 2: Rules are Made to be Broken)
- Arturo "Doc" Jiminez (Days Gone)
- VA-SF07 / Smidge (Hi-Fi RUSH)
- Augustus Hill (Hogwarts Legacy)
- Aries Mū (Saint Seiya: Soldiers' Soul)
- King Lizard (Invincible)
- Harold "Harry" Osborn / The Patrioteer (Ultimate Spider-Man)
- Bram (DOTA: Dragon's Blood)
- Knock Out (Transformers: Prime)
- Dr. Screwball Jones (Wander Over Yonder)
- Teeth (Gravity Falls)
!~