According to the DVD commentary that I was watching last night (hence today's post), it is in the production notes as "ANGRY MACHINE". It was just a noise the animators slapped in until SFX could find something more appropriate, but everybody loved it so they kept it.
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Date: 2004-10-11 06:43 am (UTC)However, I do not have a toad :(
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Date: 2004-10-11 10:29 am (UTC)The noise it makes is one of the best sci-fi noises evah.
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Date: 2004-10-11 10:53 am (UTC)BZZZZZEOWOWWZZZZZZEOW