This sound effect can be found on Cartoon Trax Volume 1, which was made by The Hollywood Edge. It was originally a Disney sound effect and should not be confused with BOING, CARTOON - GONG BOING from Sound Ideas' Hanna-Barbera Sound Effects Library. Links: https://download.audiohero.com/track/14662470 https://www.audiomicro.com/cartoon-comedy-impacts-head-bonk-wbell-drum-crt031901-sound-effects-118518 https://soundideas.sourceaudio.com/track/11489311 https://soundeffects.fandom.com/wiki/Hollywoodedge,_Head_Bonk_Wbell_Drum_CRT031901#Audio_Samples