Quavious Keyate Marshall known professionally as Quavo, is an American rapper, singer, songwriter and record producer. He is best known as a member of the hip hop and trap music group Migos and the rap group, Huncho Jack. The members of the Migos are all directly related. Quavo is Takeoff’s uncle and Offset's cousin.
Outside of Migos, Quavo has been featured on four singles which have peaked within the top 10 of the Billboard Hot 100, including DJ Khaled's "I'm the One", as well as Post Malone's "Congratulations", which peaked at #1 and #8 respectively. - Wikipedia