I keep seeing it everywhere but nobody told me what it was

the image or a user?

Image

well when people don’t know who you are, they post a Saturn image. It comes from a meme.
Comes from this: https://youtube.com/shorts/Oe9qQxSQeRM?feature=share

@saturn

A console made by Sega
They were supposed to make the Neptune but it got cancelled

Nawwww

WHAT?!

It was a Sega made by console

Yeah oh

Original meme.

not "original" meme

it became a trend to send saturn images to new users to say "who are you". it became popular because of this meme