Muhammad Zein Bugis, also known as Zein Panzer, is a rapper from the Kei Islands, Maluku, who lives in the land of the Sultanate of Yogyakarta.Zein has been a rapper during 2009–2018 with various themes of rap rhymes, such as romance, politics, comedy, gangsta, and so on. During this period, he did not have any principles or guidelines in determining the direction of his works. It was only in 2019 that Zein began to determine his creative direction gradually by holding on to Islam. Then he began to use rap as a tool to fight injustice to this day.