Abu Ahmad bin Adi Al-Jarjani: I saw in him hadiths that I denied, and they are not many, but I only mentioned him because I stipulated at the beginning of my book that I would mention everyone who denied his hadith or narrates a hadith that is weakened by it, and I did not see the predecessors in it.
Abu Ja'far al-'Uqayli: A strong denier of hadith
Ibn Hajar al-Asqalani: Unknown
Al-Mizzi: One of the unknowns