Aldo Marchi, also known as Batman 3000 or B3K, is a rapper from Split and a member of the group Amigos Para Siempre. He began his music career in 2001 with a feature on the song Bitka Za Nekropolu, from Nebu and Drugi’s debut album “Megazabluda”. In 2005, those vocals resurfaced on the Dječaci track Optika 2005.

After a long hiatus, Aldo returned with a feature on Gušterica from Vojko and AC3PO’s album “Kuje i Laseri”. In 2013, he appeared on Kiša Metaka’s Skidaj Gaće, and officially joined the group in 2014.

He began his solo career in 2016 with the release of Casablanca ft. Krešo Bengalka. Between 2017 and 2019, he dropped several tracks including Streetfighter, Spiderman ft. Fejza, Debeli Ronaldo, and Big Mac ft. Vojko V. After a four-year break, he made a comeback in August 2023 with Fam Frost ft. Sale Gelato, followed by the solo single Wasserpistolen in September.

Later that same year, Aldo signed a deal with the label yem., making all his solo work officially available across streaming platforms on November 15, 2023.