阿: Prefixes added to titles: A-Da. A-Ye. A-Die. Arhat. A-Mao. A-Po. A-Di. A-Zi.
俊: Handsome and elegant, a person of remarkable intelligence, often signifying excellence, distinction, and prominence in a name.
Meaning: Ah Jun signifies wisdom and handsomeness, embodying intelligence and a striking appearance.