Gustavo is the stage name of Arstarulsmirus Arsujumfus Tarus (born as Gustavs Butelis, June 19, 1978), a Latvian rapper and producer. He began performing in the band Fact in 1995 in Riga, Latvia. After the break-up of the band, he started a successful solo career and has released 4 albums. He has written the music and lyrics for a number of theatrical performances. Gustavo is a seven-time Latvian Music Award winner.