Abu Ahmad ibn Adi al-Jurjani: He narrated fabricated hadiths, and he is considered weak.
Abu Bakr al-Bayhaqi: Abandoned
Abu Bakr al-Qut'i: He fabricates hadiths on the authority of his father, grandfather and others. He is abandoned and a liar.
Abu Hatim ibn Haban al-Basti: He is among those who fabricate texts for personal gain and reverse chains of narration for stories, so much so that his heart was dominated by fabrications about trustworthy narrators and his narrations from trustworthy sources with errors, thus deserving to be abandoned. He likely fabricated more than ten thousand hadiths on trustworthy narrators.
Abu Nu'aym al-Asbahani: He is known for strange and fabricated narrations.
Ahmad ibn Abi Ja'far al-Qut'i: He fabricates hadiths on the authority of his father, grandfather and others. He is abandoned and a liar.
Ibn 'Iraq: A liar who fabricated many things.
Al-Khatib al-Baghdadi: He was not trustworthy and had many fabricated narrations.
Al-Daraqutni: Abandoned, and once he said: 'He fabricates hadiths.' And he said in 'The Weak and Abandoned Narrators': 'He fabricates hadiths on the authority of his father and grandfather, and he is a liar who fabricates hadiths. He is of no good.'
Al-Dhahabi: One of the lying fabricators.
Abd al-Rahman ibn Muhammad al-Idrisi: He denies hadiths and fabricates them on the authority of trustworthy narrators. His hadiths are not to be relied upon.
Muhammad ibn Abi Sa'id: He fabricates hadiths.
Muhammad ibn Abd al-Rahman al-Daghuli: He accused him of lying.