Abu Ahmad ibn Adi al-Jurjani: He has many hadiths, some of which are authentic, once: he fabricates hadiths and transmits them
Abu al-Arab al-Qayrawani: His hadiths are very lenient
Abu Hatim ibn Hibban al-Busti: He makes mistakes and contradicts in his hadiths
Abu Sa'id ibn Yunus al-Misri: He used to narrate fabrications, once: he was declared weak
Ibn 'Iraq: On the authority of Bishr ibn Bakr and others, he is a liar
al-Daraqutni: He is a fabricator of hadiths, abandoned, mentioned among the weak and abandoned narrators
al-Dhahabi: He was accused of lying
Salih ibn Muhammad Juzra: One of the great liars