

[In a former question](https://anime.stackexchange.com/questions/52956/does-
mob-appear-in-one-punch-man) it was pointed Mob appears in a cover photo of a
One Punch Man manga. But also apparently [Tatsumaki appears in a Mob Psycho
manga](https://pbs.twimg.com/media/DrvMdg5X4AYfmEE.jpg) (I've seen the anime
but I haven't read the manga), in an apparent scene of the manga itself, not a
cover.

Do Mob, Tatsumaki, and Saitama live in the same universe/planet? Kinda like
Goku and Arale from Dragon Ball/Dr. Slump?


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one-punch-man mob-psycho-100
Do Mob and Saitama live in the same universe?


The answer is **NO**.

Saitama's world and Mob's world is totally different. We can see that the art
style of the anime and the main character is almost alike that's because they
were written by the same creator,
[**ONE**](https://en.wikipedia.org/wiki/One_\(manga_artist\)).

Mob appear in One Punch Man world. ![](https://i.stack.imgur.com/yUNr1.jpg)  
(Image credit to @Pablo.)

Saitama appear in Mob Season 2 Opening. (Watch the cellphone, it's Saitama
outfit.) ![](https://i.stack.imgur.com/CRRmu.jpg)

So why does these 2 not related story will appear on each other scene, I guess
it was just a purely an advertisement purpose.


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For me, i think that they are in the same universe and i have PROOF as you
remember the episode that mob and his sensei reigen fought the ghost in a
tunnel in the first season his sensei reigen suddenly got scared and suddenly
released his phone quickly and show his phone to the screen with saitama's
face to try to call him if something bad happens heres the link of the vid

<https://www.youtube.com/watch?v=QsGv6er1fcY> Stop the video @ 0:06 seconds
and watch the phone


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I don’t believe they live in the same universe since in season one episode two
someone is seen reading one punch man not to mention saitama appears on the
back of a mc Donald’s bag in episode three (or Mob’ Donald’s because
copyright) so it seems saitama is just a novelty character in mobs universe


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To elaborate on [kit's](https://anime.stackexchange.com/a/54100/19307) answer,
the worlds of _Mob Psycho_ and _One Punch Man_ have incompatible canon.
Psychic powers exist in _One Punch Man_ , but other kinds of heroes do not
exist as far as we know in _Mob Psycho_. Additionally, powers are public
knowledge in _One Punch Man_ since there is a hero bureau that protects
everyone, and there are monster threats and such that cause very large amounts
of damage, but psychic powers are a secret to the public in _Mob Psycho_. We
can see this in Reigen's initial reaction to Mob, since he doesn't believe him
when he says he has psychic powers. If he lived in _One Punch Man_ 's world,
then he wouldn't have been so skeptical about the _existence_ of psychic
powers, but would have focused his skepticism on whether Mob in particular had
them. From what I recall, his reaction was very much of someone who did not
believe psychic powers exist at all.

Thus, it is most likely that the appearances of the characters in each others'
universes are simply cameos. You can ignore them as far as canon goes, or you
can simply assume a different version of Mob exists in _One Punch Man_. As far
as Saitama appearing in _Mob Psycho_ , he could be a fictional character if he
only appears on cell phones and stuff. And it's worth noting that Saitama
isn't famous in his world, so it doesn't really make sense for people to be
using him as their cellphone wallpaper (it's possible to work around this, but
due to the unlikelihood, it points to this probably not being the universe of
_One Punch Man_.)

Regarding Arale, she also presents canon inconsistencies to the _Dragon Ball_
universe. She may have meshed better with the original _Dragon Ball_ , but by
the time of the _Dragon Ball Super_ episode she appeared in, the tone of the
series has changed a lot, to the point where that episode felt a bit like a
non sequitur. Vegeta even ends up getting self-referential and meta when he
starts calling her a "character from an 80s gag manga". _Dragon Ball Z_ and
_Dragon Ball Super_ aren't usually that meta, so it's kind of hard to
determine how canonical that episode was, and thus how canonical Arale living
in the same world is. The canon of _Dragon Ball_ also presents some problems
to _Dr. Slump_. Has Arale now died at least once, via Majin Buu?

Due to these inconsistencies, we can't really conclude anything definite with
regards to the canons of any of these series.


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