Aaaaaaaaaah, no no no!!
Not you, Kaga-chaaaaan!!SniffleGrrrr!!
You're obnoxious!HorrifiedBzzzzzzzzYES YOU! SO DAMNED ANNOYING!!
The original Japanese is a pun on Mosquito ("ka"): "Ka ga uzai!" (This mosquito is so annoying!) => "Kaga, uzai!" (You're so annoying, Kaga!)