This sound effect can be found on Hanna-Barbera Sound Effects Library, which was made by Sound Ideas. It shouldn't be confused with Anime Stretch Sound 2.
Links:
https://soundeffects.fandom.com/wiki/Sound_Ideas,_STRETCH,_CARTOON_-_RUBBER_STRETCH,_LONG#Audio_Samples
Sound Ideas, STRETCH, CARTOON - RUBBER STRETCH, LONG 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.
