Luka Maksimovic (Serbian Cyrillic: ???? ??????????, pronounced [lû?ka maksi?mo?it??], born 17 July 1991) is a Serbian comedian and political activist best known for his role as the satirical fictional politician named Ljubiša Preletacevic "Beli" (Serbian Cyrillic: ?????? ???????????? "????", pronounced [?ubi?a preleta?t??e?it?? bê?li?]).
He was formerly the leader of a parody political party Sarmu probo nisi (SPN) formed in Mladenovac in 2016.
His party participated in the 2016 local council election in the municipality of Mladenovac, winning 20 percent of the votes and 12 seats.
He participated in the 2017 Serbian presidential election under his Preletacevic persona, finishing third with 9.44% of the votes.