Some exegetical and historical accounts name the person Āṣif ibn Barkhiyā, but the cited verse of Sūrat al-Naml gives a description rather than a personal name.
The Qur'anic text supports the throne's arrival and the statement of one possessing knowledge. His personal identification and the mechanics of the event depend on further reports.
Distinguishing the Qur'anic core from historical particulars prevents uncertain details from being treated as definitive evidence.