Not Bug-Eaten

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That rat's Stand disfigured the owners of the house, and then it stuffed them into the refrigerator to keep them from rotting. And the rat is feeding off of them!

Not Bug-Eaten (虫喰いでない, Mushikuidenai) is a tertiary antagonist featured in the fourth part of the JoJo's Bizarre Adventure series, Diamond is Unbreakable, specifically in the "Let's Go Hunting!" story arc.

It and another rat were struck by Akira Otoishi with an Arrow, giving both of them identical Stands, both called Ratt.


Not Bug Eaten Appearance.png

Not Bug-Eaten highly resembles Bug-Eaten. However, it appears to have smaller fangs, and a darker brown fur. Also, unlike Bug-Eaten, neither of its ears seem chewed off.

Both rats also sport a strange, ogival-shaped, protuberance on their foreheads. However, the horns on Not Bug Eaten are notably shorter than its counterparts. In the TV anime, this distinction is omitted with the protuberance looking virtually identical for both rats.

Color Schemes

The series is known for alternating colors between media, the information presented below may or may not be canon.
(Brown fur, tan skin, indigo nose, flesh pink protuberance)
(Dark Brown fur, gray skin, black nose, metallic gray protuberance)


Not much can be determined about Not Bug-Eaten's personality. However, like Bug-Eaten, Not Bug-Eaten also displays hunger towards humans, fueled by confidence after having acquired a Stand.


Main article: Ratt

Ratt is a rifle like Stand enabling Not Bug-Eaten to shoot corrosive darts which can melt anything they touch. Even if it's a Stand that touches it, its user's corresponding part will melt.

Ratt (ラット)Link to this section



While Akira Otoishi had Keicho Nijimura's Arrow in his possession, he tested its powers by using it on two rats living in the farmlands surrounding Morioh. The arrow pierced the rats, granting them both the Stand Ratt. Thanks to their power, the pair of rats took dominance among the local rat population, melding their rival rodents together.

Believing that only one rat exists, Jotaro and Josuke go hunting for it for damage control after Jotaro questions the defeated Otoishi.

Diamond is Unbreakable

Not Bug-Eaten and Bug-Eaten find and attack a couple of old farmers, melding their flesh together and stuffing them in the fridge for preservation. They also make a nest in a drainage pipe.

When Josuke investigates a couple's house, he is horrified to find Not Bug-Eaten eating melted flesh of the couple in the fridge beside it. Josuke manages to use Crazy Diamond to fire a steel marble at its side, but it doesn't die. Wounded and surprised, the rat runs and hides behind a chair, revealing its Stand. Josuke quickly manages to determine by the Stand's shape that it's a turret-like Stand that shoots, and reacts quickly by shooting another steel marble at the rat; the Stand shoots a dart back, which Josuke barely manages to block in time with a frying pan. Not Bug-Eaten then emerges from its hiding spot, but faints as it bled to death.[3]

Josuke thinks that he's taken care of the situation when Jotaro informs him that there are two rat Stand users, and that Josuke only killed one.[3]

Chapters / Episodes

Book Icon.png Manga Appearances
Chapters in order of appearance
TV Icon.png Anime Appearances
Episodes in order of appearance

Video Games

Diamond Records (Android/iOS)

DR 4 BugEatenAndUnnamedRat.png

Not Bug-Eaten (虫喰いでない, Mushikuidenai) appears in Diamond Records as an assist character in both the Action Battle and Tactical Battle game modes. It has one 'Unity' type 4 star assist statue. Like all assist characters, when the active assists link together, its assist ability may provide extra effects (Action Battle mode only). It also appears as a boss character in stages, alongside Bug-Eaten.

Not Bug-Eaten
(Assist Ability) Not Bug-Eaten summons Ratt to shoot multiple darts at opponents.

Creation and Development

Rat model differences.png

Not Bug-Eaten and Bug-Eaten were written into the story because Hirohiko Araki wanted to draw the suspense of hunting rats.[4]

The two rats' appearances in the anime are almost identical aside from their right ears. However their appearances in chase and I Want You, as well as their respective model sheets more easily distinguish them, akin to how they were drawn in the manga.



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