YOU SAID:

Hi, I am me and this is my dog, Watson.

INTO JAPANESE

こんにちは、私は私、これは私の犬、ワトソンです。

BACK INTO ENGLISH

Hello, this is me, this is my dog, Watson.

INTO JAPANESE

こんにちは、これは私です、これは私の犬、ワトソンです。

BACK INTO ENGLISH

Hello, this is me, this is my dog, Watson.