This is a sound effect originating in Pac-Man in 1980. It sounds similar to, but shouldn't be confused with the Valentino Police Siren (New Warbling Type) sound.
Links:
https://soundeffects.fandom.com/wiki/Pac-Man_Ghost_Sound#Audio_Samples
Pac-Man Ghost Sound has been suggested to play 2 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
