YOU SAID:

I have an alter ego and he is very hot

INTO JAPANESE

分身がいるし、彼は非常に暑い

BACK INTO ENGLISH

He is very hot, and have an alter ego

INTO JAPANESE

彼は非常に熱い、分身がいます。

BACK INTO ENGLISH

He is very hot, the alter-ego.

INTO JAPANESE

彼は非常に熱く、分身。

BACK INTO ENGLISH

He is very hot, the alter-ego.