Rizky Febian is an Indonesian singer-songwriter and entertainer known for his work in pop and contemporary Indonesian popular music; he is the son of comedian and actor Sule and rose to prominence in the 2010s. His music blends melodic pop balladry with R&B-influenced production, often featuring emotive vocal delivery and accessible, radio-friendly arrangements. Active as a solo artist and performer, Rizky Febian has been involved in recording, live performance and occasional songwriting and composing for the Indonesian market, contributing to mainstream pop culture in Indonesia. Adrian Khalif — less widely documented under that exact name in major public music references — cannot be reliably profiled here based on broadly known, verifiable information.