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"What separates me from the likes of you is history, my boy! Eight hundred years....and what has the shinigami been doing all this time? Babysitting a pile of snot-nosed brats in that DWMA "School" of yours. [You stand there and insult my father?] Arachnophobia's momentum is already too great for even the meddling shinigami to contain. The Madness of the Kishin is fast reaching its climax...and the world has changed. Up to now, the world's security efforts have bee manned entirely by graduates of the DWMA....but Arachnophobia has already begun the task of eating away at that setup. It is the nature of human souls—just a nudge in the right direction, and they fall right into the trap. Now, it's only a matter of time before Arachnophobia supplants DWMA as masters of all the world."

— Mosquito and Kid (Yen Press Translation)[1]

Mosquito Render Mosquito as he appears in the Soul Eater series.
Name Mosquito
Alias(es) GrampsDub
Grandpa MosqieBy Angela
Alternate Name(s)
Personal Data
Sex Male
Age 800+
Race/Species Bloodsucker
Type of Soul Monster[2]
Status Alive Anime
Deceased Manga
Professional Data
Occupation(s) Butler
Second-In-Command of Arachnophobia
Affiliation(s) Arachnophobia's Logo RenderArachnophobia
Place of Origin
Team/Group N/A
Weapon Partner(s)
Meister Partner(s)
Real World Data
Manga Debut(s) Chapter 26
Anime Debut(s) Episode 27
Game Debut(s)

Mosquito (モスキート, Mosukīto) was Arachne's loyal and powerful Bloodsucker butler who seems to serve as Arachnophobia's second in command.


Though much of his history is unknown, he met Arachne at some point 800 years ago. He assisted her as a butler until her "demise" at the hands of Death. After that, he spent eight hundred years expanding her network and waited for her revival.[3][4]


Mosquito is a very neat and formal person. He always presents himself very upright and respectfully, showing a mastered knowledge of manners and use of extensive vocabulary and proper speech. His personality adopts that of a trained butler's, to which he always presents himself when with his mistress, Arachne. He knows his place in all situations and is never driven to any form of misbehavior. In casual situations, Mosquito still retains a calm and formal demeanor, showing little to no emotion in his expression or tone of voice.

In his manner of treating others, Mosquito's personality and demeanor naturally changes dependent on the person's alignment and respect given to Mosquito himself, along with his own personal view of what level of status that person is. Upon a person who shows him respect, or at least common politeness, (in addition to an alignment with Arachnophobia) Mosquito usually presents himself by his usual calm and emotionless demeanor. If this person is of lower status to Mosquito, he will treat them with a reasonable inclination that he is their superior, while still giving them general respect as an ally. To a person of higher status than Mosquito, his level of courtesy grows substantially towards the individual, and presents himself as if he is at service to them at all times.

However, upon an individual who does not present Mosquito with any form of respect, manners, or mutual alignment, Mosquito is very easily annoyed. He does not try to counter the disrespect with even more disrespect, but openly shows that he is becoming angry by informing the person that if he or she continues to anger him that he will engage in a battle they do not want to enter.

Mosquito is very passionate about being a head of Arachnophobia, and often motivates other members to serve with honor and passion just as he does. Many Arachnophobia members lean on Mosquito because of this, demonstrated during the battle for Brew, when Mosquito was able to make an Arachnophobia army cheer with passion twice, just by saying a few short sentences. Unlike Giriko and Arachne, He does actually consider the safety of those who fight for Arachnophobia[5], though, depending on the circumstances, he's not above using them; one instance was him using a Researcher to heal himself. Another, in the anime, was when Arachne ordered him to utilize the Madness Cannon in Arachnophobia. He showed some displeasure in resorting to such methods.

Mosquito is often pleasured by the progress of missions or research projects involving Arachnophobia. He also takes great enjoyment in Arachne's happiness the most. He will usually put everything on the line to accomplish missions or please her, which includes his own life. He becomes exponentially nervous when he has to be the bearer of bad news about an ultimate failure in a mission or project, specifically because he must voice such unfortunate news directly to Arachne. He also becomes equally nervous when such failures are because of his own doing; however, he is very straight forward and admitting when explaining the failure, immediately addressing himself as the culprit in addition to insulting himself in the process.

He is very serious when it comes to enemies of Arachnophobia, especially personal enemies of Arachne. He takes no prisoners, and, if given prior permission, will result to end the life of any opponent or enemy of Arachnophobia. He takes particular hatred to Death Weapon Meister Academy, and shows no mercy when put in a situation where he has to deal with Academy students or agents. Towards more personal rivals of Arachne herself, he takes great caution in containing his immediate will to kill if given the order, such as when Medusa visited Baba Yaga Castle unwelcome. While in this state of containment, Mosquito will usually be seen with a fierce expression towards the individual which openly illustrates his acknowledgement of them being a foe.

Saying this, he does have an honorable side to him. In the Battle for BREW in the Manga, the group was unable to defeat Mosquito due to his advantages in transformation to be able to say into the magnetic field. He explained that while their effort is futile, it was brave for them to try and he was willing to let them go, knowing that they weren't going to be able to defeat him due to his power, him having "Brew" and the magnetic field.[6]

In battle, Mosquito reveals his inner darkness and intense temper, becoming very aggressive and frighteningly cruel.


Manga Appearance | Soul


Mosquito's colored appearance in Soul Eater manga.

His appearance is that of a short old man, with a height similar to that of a young child, with a large pointy nose and gray hair and mustache. He wears a classic wardrobe; consisting of a formal black suit and white shirt, completed with a black bow tie and a relatively large black top hat.  

During the operation to capture the demon tool Brew, he chooses to adopt only the addition of a trench coat, to shield his body from the significantly cold temperature found at that location.

Mosquito's soul is largely bright pink in color, with three dark black extensions, seemingly representing a mosquito's nose and wings.


  • Many of Mosquito's characteristics and abilities are likely based on the character "The Fear Robot", and the symbols associated with it, in Atsushi's earlier series B. Ichi.


  1. Soul Eater Manga: Chapter 53
  2. Soul Eater Volulme 7, Yen Press English translation: Chapter 27 Page 183. Azusa Yumi: "I sense three souls...the soul of a witch, the soul of an old monster...and someone else."
  3. Soul Eater Manga:Chapter 26
  4. Soul Eater Anime: Episode 27
  5. Soul Eater Anime Episode 46
  6. Soul Eater Manga Chapter 37

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