Just block them and move on mate.
Usernames are shouldn’t be taken seriously anyway.

There is this thing called trolling and users with such names might be into that sort of activity.

You can report them anyway of course, but for me it’s really about what people do and say, not what they name themselves.

No, he’s mentally ill and somewhat stupid/unserious and has been done dirty by Ashkenazi Jews by his own admission (doctors and lawyers) so he has a bit of a hate boner against them. Any member of the American and Israeli army is way more morally reprehensible and more of “a Nazi” (unless you only consider the lives of Western and Eastern Europeans important, ofc) than a cuckoo artist known for saying wild shit even before his menty b.