Question:
This diseased thing makes a lot of noise, but would never sink low

Answer:
Tangoo

Explanation:
This diseased thing - The Tangoo can give you a cold

makes a lot of noise - The Tangoo has a flute. Heh, it must have quite an infectious song! Haha! Heh heh! hah, Hey! What are you doing! AAA! LEAGO! *MMPH* ::gets shoved into a thick plastic bag and is beaten with pocky:: Ow.. I wonder who THAT was...

but would never sink low - This guy would never go to an underground place like Master Belch's base, or the plague rat of doom's sewer hideout. It's the clouds for this guy.

SWEEEEEEEEEEEEEET!!!! Very very sugar coated chocolatey goodness! Hmm, I feel hungry now. Anyway, sorry for the late update. School started for me 2 weeks ago, so I've been too tired to update. So go have fun while you still can, because Ploqaz is always hungry! GWARGH!!!!!