I've seen both (though a while ago), and I think there's some elements of Pi's visual style that resemble Tetsuo.

But I'd note that whenever someone points out that X copied Y, we can always go deeper and find out that they both really copied Z, who copied A, ...

There's no such thing as original art.

Everything is a copy.

It's a question of degree, and also one of context. In this case, he seems to have extracted a lot of value from somebody else's work without himself having created much that is new.

> Everything is a copy.

Or nothings a copy. Maybe. Either way I'm with you. And I'm looking forward to watching Tetsuo Iron Man.