YOU SAID:

my cat is named Bobby but my dark (Aaron) doesn't believe me

INTO JAPANESE

私の猫はボビーが信じてくれない私の暗闇 (アーロン)

BACK INTO ENGLISH

My cat is dark I don't believe Bobby's (Aaron).

INTO JAPANESE

私の猫は暗いボビー (アーロン) を信じていません。

BACK INTO ENGLISH

My cat does not believe darker Bobby (Aaron).

INTO JAPANESE

私の猫は、暗いボビー (アーロン) を信じていません。

BACK INTO ENGLISH

My cat does not believe darker Bobby (Aaron).