Abu Hatim al-Razi: Shaykh
Abu Hatim ibn Hibban al-Busti: Among those who narrate reversed narrations from the trustworthy and fabricated narrations from the proven ones. It is not permissible to use him as a proof if he narrates alone.
Abu Zur'a al-Razi: He errs in hadith, he narrates fabricated things from Ibn 'Ajlan
Ahmad ibn Shu'ayb al-Nasa'i: Weak
Ibn Hajar al-'Asqalani: Weak, worshipper
Muhammad ibn Isma'il al-Bukhari: Rejector of Hadith