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

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

I AM KAKASHI THE COPY NINJA I KNOW A THOUSAND JUTSU , Naruto best scene

Is Kakashi the only sharingan user who can copy jutsu? Can other sharingan users copy jutsus? - Quora

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

Death Battles – JJ's Writing Corner

Kakashi The copy Ninja : r/Naruto

Why didn't Kakashi have a flee on sight order? - Quora

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

Kakashi The copy Ninja : r/Naruto

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

Naruto Manga 464 Breakdown and Naruto Manga 465 Spoiler Discussion: Join The Dark Side Today, They Have Cookies 0_0