This sound effect can be found on The Super Single Volume 1, which was made by The Hollywood Edge. It includes H-B ELEPHANT - BIG ELEPHANT ROAR, ANIMAL 03 in a double pitch. Links: https://soundideas.sourceaudio.com/track/11519981 https://soundeffects.fandom.com/wiki/Hollywoodedge,_Dinosaur_Growls_2_SS015702#Audio_Samples