Mua'wiya bin Hisham al-Qsar معاوية بن هشام القصار · The Book of the Sunnah

"The Messenger of Allah (ﷺ) said: 'When Allah has saved the believers from Hell and they are safe, none of you will dispute with his companion more vehemently for some right of his in this world than the believers will dispute with their Lord on behalf of their brothers in faith who have entered Hell. They will say: " Our Lord! They are our brothers, they used to pray with us, fast with us and perform Hajj with us, and…

"The Messenger of Allah said: 'Allah has taken me as a close friend (Khalil) as He took Ibrahim as a close friend. So my house and the house of Ibrahim will be opposite to one another on the Day of Resurrection, and 'Abbas will be in between us, a believer between two close friends.'" (Maudu')