Pauli Antero "Pate" Mustajärvi (12 July 1956 – 26 December 2025) was a Finnish rock singer. He was known as the vocalist, frontman and until his death in late 2025 the only original member of Popeda as well as a solo artist. He appears in the 1984 film Calamari Union by Aki Kaurismäki, playing one of the fifteen main characters named Frank.