Have i been hacked? - 1

I wanted to continue working on my "website" and left the app with which I do this. But there I was logged into this account:

It can't have been from friends or family because nobody can access my laptop.

But it should look like this (my acc):

It happened to me before, but I didn't think anything about it. Was jz hacked or is this an app bug?

That looks very strange. In your place I would change the password and do a virus scan to be on the safe side.