The Park Maniac may refer to: Francisco de Assis Pereira, a Brazilian serial killer known as "O Maníaco do Parque" The Park Maniac (film), a 2024 Amazon MGM Studios film about Pereira Alexander Pichushkin, a Russian serial killer known as the "Bitsa Park Maniac" Pavel Shuvalov, a Soviet-Russian serial killer known as the "Nevsky Forest Park Maniac" "The Rainbow Maniac", the nickname given to the unidentified suspect responsible for the Paturis Park murders in Brazil Samuel Sidyno, a South African serial killer known as the "Capital Park serial killer" Todd Alan Reed, an American serial killer known as the "Forest Park Killer" Cary Stayner, an American serial killer known as the "Yosemite Park Killer"