YOU SAID:

my brother, whom I call Goo, is not dumb, he is just a little idiotic and has a slow processor in his head

INTO JAPANESE

私はグーと呼んでいる私の弟は愚かではありません、彼はほんの少しばかげていると彼の頭に遅いプロセッサを持っています

BACK INTO ENGLISH

My brother I'm calling goo isn't stupid, he's just a little ridiculous and has a slow processor on his head

INTO JAPANESE

私がグーと呼んでいる私の弟は愚かではありません、彼はほんの少しばかげていると彼の頭に遅いプロセッサを持っています

BACK INTO ENGLISH

My brother I'm calling goo isn't stupid, he's just a little ridiculous and has a slow processor on his head