Overthrowing the ancien régime tends to make people thirsty, and herein lies the heroism of the common wench.  Unfortunately for the patrons of the Red Ferret Inn, Claire is hardly a common wench.

With the attention span of a maniacal canary and a gift for inciting large urban riots, she seems to be destined for more than sudsing out crusty mugs.

But can she handle the Living Dead?  Or rather, can the Living Dead handle Claire?
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Occupation: Wench
Disposition: Bonkers
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I see Claire to almost have a Mey - Rin sort of voice from Black Butler (search her voice up if you don't know) except less scratchy and more on the British side.
Claire also used to work at some sort of bar and was ordered around a bit before meeting Lucien.