There are numerous artists who have used, or do use, the name AG (as well as artists using A.G.), including:
1) AG is an Polish rapper, he is a friend and hype man of the popular rapper Asster.
2) AG is an American rapper and part of of Showbiz & AG.
3) Ag is a Japanese electronic artist.
4) AG is a Korean musician.
5) AG is a Danish-Dominican rapper.
6) AG is a Canadian hip hop artist.
7) AG is musician Andrew Garcia.
8) AG is a recording name sometimes used by American musician Adrianne E. Gonzalez (born 1977) who more usually records as Adrianne.