User blog comment:Darkest Shadow/SFW 2015 Summer Awards: Piano's Votes/@comment-7637833-20150805004345

The "Kelly" thing is the persona she adopted in her first appearance in Hidden Agenda in order to infiltrate the Cavelry of the Sun and gather info about them while Blitz does other things elsewhere in Fortune Hills - this chapter, to be precise. Hope that clears up the confusion.