Yusuf Oluwo Gbolaga professionally known as YKB (born 6 March 1998) is a Nigerian Afropop singer and songwriter.He debuted his first single titled “Swaggu” in 2019 and gained popularity with the hit single “San Siro”. YKB discovered his passion for music while he was growing up and In 2010, he started uploading his music on SoundCloud. He was first professionally called YusufKanbai until he later shortened it to YKB.