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?

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

Why is kakashi known as the copy ninja any sharingan user can do it so why just kakashi? : r/Naruto

Can Kakashi still use the techniques he copied now that he doesn't have the Sharingan? - Quora

JJ Slider – JJ's Writing Corner

Kakashi, is The Copy Ninja meanwhile, naruto be like: - iFunny

Can Kakashi still use the techniques he copied now that he doesn't have the Sharingan? - 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

Naruto: Legend Of Leaf - Copy Ninja Kakashi. 🔥 Like: Ａ Ｋ Ａ Ｔ Ｓ Ｕ Ｋ Ｉ 暁

Why was Kakashi called the Copy Ninja?? : r/Naruto