it's just a train whistle.
Some guy or creature roaring.
I recorded this track for a cartoon show, but i scrapped it and tried a similar approach, cause this one sounded too much …
This is a short, squeaky sound which fits perfect to a growing plant or tuberous nose.
Made with Audacity and two gum balls and a rubber Simpsons figure.
A electric shok. Made with audacity.
7-8 effects.