I've seen Kakashi being refered to as Copy Ninja, but lately I've seen scans refering to him as Mirror Ninja Kakashi. Are they both accepted or is one of them mistranslated?

Character Appreciation 14] Kakashi Hatake : r/Naruto

If Kakashi is “the copy cat ninja” because he possessed one Sharingan, why aren't all Uchihas considered 'copy cat ninjas'? - Quora

I've seen Kakashi being refered to as Copy Ninja, but lately I've seen scans refering to him as Mirror Ninja Kakashi. Are they both accepted or is one of them mistranslated?

Can any Uchiha clan member copy ninjutsus with their sharingan and best Kakashi over his title as 'Copy-Ninja' with over a thousand copied moves? - Quora

Naruto Chapter 476: Even An Old Fox Knows a Couple of Tricks

If Kakashi is “the copy cat ninja” because he possessed one Sharingan, why aren't all Uchihas considered 'copy cat ninjas'? - Quora

If Kakashi is “the copy cat ninja” because he possessed one Sharingan, why aren't all Uchihas considered 'copy cat ninjas'? - Quora

Why do they call Kakashi the Copy Ninja? - Quora

Is Kakashi nothing without his Sharingan? After all, he was call Kakashi of the Sharingan or the Copy Cat Ninja because of his Sharingan and nothing else. - Quora

If copying jutsu is an ordinary ability of a sharingan then why Kakashi is called The Copy Ninja if most Uchihas could do the same? Is it only because the way he

Is Kakashi nothing without his Sharingan? After all, he was call Kakashi of the Sharingan or the Copy Cat Ninja because of his Sharingan and nothing else. - Quora