Yameii Online

Grant Andrew Decouto (born March 24, 1995), known professionally as Deko, is an American rapper and record producer. He is best known for producing Migos' 2017 single "Slippery". He is part of the EDM trio Merge, with OG Parker and Tee Romano. He and visual artist Osean created Yameii Online, a vocaloid virtual rapper.