The Companions of Prophet Muhammad ﷺ are the greatest generation of this Ummah. They believed in him, supported him, fought beside him and carried the message of Islam to the world. May Allah ﷻ be pleased with them all.
As-Siddiq, the first Caliph of Islam, closest friend of the Prophet ﷺ.
Al-Faruq, the second Caliph, who distinguished truth from falsehood.
Dhun-Nurayn, the third Caliph, who compiled the Mushaf.
The fourth Caliph, the cousin and son-in-law of the Prophet ﷺ.