The Cage Door Left Ajar
A cagey, quick-snarking denizen of Sigil, hired as a guide by one or more party members.
Wot're you lookin' at, berk? Park yer' eyes someplace else, lest you get 'em cut out! I ain't got nothin' a cutter like you'd want. 'Less you need a guide. And that assumes you've got the jink for my expertise.