Is Lupin’s IQ Really 300? Tokyo University Grad Says Anime’s ‘Genius IQ’ Numbers Are Overrated

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The story

An article by Tokyo University graduate and writer Tenma Fusegawa, which pointed out that online, “IQ” has joined “academic background” and “income” as a tool for one-upmanship on social media, while arguing that the “high IQ” settings given to popular anime characters like Lupin III (IQ 300) and Gihren Zabi (IQ 240) are scientifically unrealistic, became a hot topic on 5ch’s “Entertainment & Sports News+” board. The thread saw a mix of cool reactions along the lines of “don’t take anime settings so seriously,” detailed posts calculating the real upper limits of IQ tests and their percentile equivalents, and a string of users sharing their own testing experiences.

Tenma Fusegawa, Tokyo University graduate and writer

Do you know your own IQ?

Anyone can find out by taking a test called the WAIS, but since it costs tens of thousands of yen without insurance coverage, not many people want to bother. Still, judging from what I see on social media, online, “IQ” seems to have become an effective tool for one-upmanship, right alongside “academic background” and “income.”

Source: news.yahoo.co.jp / Original article here

What people said

2AnonymousNov 15, 2026 20:00
Honestly, watching Osaka night-view videos on YouTube beats watching Peace-kun (a mascot at Omiya Park) any day.
3AnonymousNov 15, 2026 20:01
People who get genuinely worked up over anime settings, I swear…
9AnonymousNov 15, 2026 20:03
Is Kindaichi's 180 IQ just barely acceptable?
10AnonymousNov 15, 2026 20:04
With Lupin I was always too fixated on his superhuman physical feats — never even noticed how smart he was, now that you mention it.
14AnonymousNov 15, 2026 20:05
Matt Damon's supposedly got an IQ of 160.
95AnonymousNov 15, 2026 21:40
Re: #14
Wait, isn't that just from Good Will Hunting?
15AnonymousNov 15, 2026 20:06
Well, it's an old-school way of expressing 'genius beyond comparison to Tokyo University students,' so I guess it can't be helped.
18AnonymousNov 15, 2026 20:09
My SD Spirit Stat (a made-up stat from the SD Gundam games) is 108.
19AnonymousNov 15, 2026 20:10
My name is General Ruchi, and my IQ is 1300.
20AnonymousNov 15, 2026 20:10
Re: #1
Chibull Alien — IQ 50,000
Mefilas Alien — IQ 10,000
General Ruchi — IQ 1,300
41AnonymousNov 15, 2026 20:26
Re: #20
They're all aliens, so being beyond human comprehension isn't really a problem.
56AnonymousNov 15, 2026 20:44
Re: #20
So do those guys actually sit still and take the test?
21AnonymousNov 15, 2026 20:11
Getting genuinely worked up over anime settings is kind of alarming, honestly.
23AnonymousNov 15, 2026 20:13
Re: #21
Thought it was a joke, but it seems like it's actually real.
25AnonymousNov 15, 2026 20:13
Space Monkey Man Gori has an IQ of 300, while his subordinate Space Monkey Man Ra has an IQ of 50 (villains from the tokusatsu series Spectreman) —

They're more like partners than boss and subordinate, so how do they even have a conversation with that kind of gap?
28AnonymousNov 15, 2026 20:14
Apparently there's never a genius character smarter than the author who created them — well yeah, of course, the original creator is always going to be the ceiling.
32AnonymousNov 15, 2026 20:17
There was even an idol who got into Mensa without finishing high school, wasn't there.
51AnonymousNov 15, 2026 20:39
IQ scores converted into Japan's 'hensachi' percentile scale:
IQ / hensachi

100/50
115/60
130/70
145/80
160/90 — anything beyond this is basically impossible

85/40
70/30
55/20 — anything below this is also basically impossible

Most people fall somewhere in the 25 to 87 hensachi range
52AnonymousNov 15, 2026 20:42
Re: #51
Re: #51

Correction: that should be roughly 25-87 for hensachi, and roughly 63-155 for IQ
An IQ of 300 is just absurd
60AnonymousNov 15, 2026 20:58
Feels like Kamen Rider's Hongo-whatshisname (protagonist Hongo Takeshi) also had a ridiculously high IQ.
63AnonymousNov 15, 2026 21:04
Re: #60
Well, he did go and modify Rider No. 2's belt on his own, so that tracks.
68AnonymousNov 15, 2026 21:09
I've got an IQ of 95, but I went to a regional national university and managed to land 4 out of the 8 major licensed professions (lawyer, accountant, and similar Japanese certifications), so I make decent money and don't really struggle. Sure, it'd be nice if I could've gotten into Tokyo University, but still.
84AnonymousNov 15, 2026 21:34
Re: #68
With an IQ of 95, what kind of license are we even talking about — something like the Class 4 Hazardous Materials Handler cert?
69AnonymousNov 15, 2026 21:11
You never really find out your own IQ unless something unusual happens.
Usually it's something you get checked at a psychiatric clinic, right?
70AnonymousNov 15, 2026 21:12
Re: #69
When I was diagnosed with adjustment disorder, they tested me for something along those lines.
78AnonymousNov 15, 2026 21:23
Re: #69
I took it back in elementary school alongside a cram school entrance exam.
I vaguely remember it being around 145.
101AnonymousNov 15, 2026 21:48
Re: #69
I went to a university-affiliated elementary school and we took it every year.
Someone I knew in college who went to an affiliated elementary school in a different prefecture said the same thing, so I guess that's just how it is.
72AnonymousNov 15, 2026 21:14
I went to a university-affiliated elementary school too, and mine was 138. Life was rough.
74AnonymousNov 15, 2026 21:15
Re: #72
How did you find out your own IQ?
76AnonymousNov 15, 2026 21:20
Re: #74
I took part in a research study.
83AnonymousNov 15, 2026 21:32
Re: #76
What kind of research?
Why'd you end up as a subject?
82AnonymousNov 15, 2026 21:31
Re: #78
If you're a minor, they usually run something called the WISC intelligence test — if it wasn't that, it's probably not an accurate IQ score.
The real one takes a psychologist an hour and a half to administer.
88AnonymousNov 15, 2026 21:36
Re: #82
Ah, I see.
So the one I took in junior high must've been the simplified version then.
Well, I ended up becoming a researcher, so no complaints.
85AnonymousNov 15, 2026 21:34
Hollywood actor James Woods supposedly had an IQ of 180 and got a full scholarship to MIT, but dropped out to pursue acting — or so the story goes.
87AnonymousNov 15, 2026 21:35
Re: #85
Isn't 165 supposed to be the max for IQ?
90AnonymousNov 15, 2026 21:37
Re: #87
Depends on the test.
Japanese tests usually cap around 160, but there have been ones that go up to 220 or so.
97AnonymousNov 15, 2026 21:40
Re: #90
Wait, isn't that not the WISC then?
98AnonymousNov 15, 2026 21:41
I always heard IQ tests were originally meant to identify people with disabilities so they could get proper support.
So I'm honestly not sure if 'finding smart people' even falls within what the tool was originally designed for.
100AnonymousNov 15, 2026 21:43
Re: #98
Yeah exactly lol.
The other tests are just simplified screenings, so they don't really have solid evidence behind them lol.

Background and Key Points of This Debate

The WAIS (for adults) and WISC (for children), commonly used as formal intelligence tests, are official assessments administered by a psychologist over the course of an hour or more, costing tens of thousands of yen without insurance coverage. Scores are designed around a mean of 100 with a standard deviation of roughly 15, meaning the theoretical realistic ceiling sits somewhere around 160 to 180 — numbers like 300 or 240 essentially can’t occur given how the tests are structured. Where the thread split was over how strictly to apply this “test ceiling”: some posters went as far as converting scores to Japan’s hensachi percentile scale, while many others argued anime settings were never meant to be compared to real tests in the first place. One point of confusion for readers is mistaking simplified test results taken in childhood at school or cram school for scores with the same precision as an official WAIS/WISC assessment — this distinction came up repeatedly within the thread itself.

*This article is excerpted and summarized from the 5ch (Entertainment & Sports News+) thread “Lupin’s at 300, Gihren Zabi’s at 240, and other popular characters too… ‘High IQ settings’ feel off — Tokyo University grad says ‘it’s overrated’.”

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