Person
al-Saffah
الصّفّاح
The Blood-Shedder
721 CE – 754 CE(aged ~33) Banū Hāshim
Al-Saffah was the first Abbasid caliph, recognized in 749, who consolidated Abbasid power after the revolution.
Significance
First Abbasid caliph who established Abbasid rule after overthrowing the Umayyads
Reputation in tradition
praised
Stated motivation
Establish Abbasid caliphate
Sources: Wikipedia and classical Islamic biographical literature compiled by automated researchers. Every page is being continuously refined — if something looks off, please check back in a few days.