YOU SAID:
Hello everyone my name is markiplier
INTO JAPANESE
みなさんこんにちは、私の名前は目印です
BACK INTO ENGLISH
Hello everybody, my name is mark
INTO JAPANESE
みなさんこんにちは、私の名前はマークです
BACK INTO ENGLISH
Hello everybody, my name is mark
That didn't even make that much sense in English.