Mildred is hippie Nancy Drew (you have to look at the old book covers for this one to work now), Lottie is gender swap Death Note – her outfit of white hoodie and dark leggings that she adopts from “Murder She Writes” on is based on L from that series.
Claire gets one appearance in Severed Alliance, I think – on the last page. IIRC she got some side quests around this time, the worst kind of side quests, caring for Desmond Fishman.
I’m sorry that Bad Machinery had to end. The thing that made it different – the growing up – was also the thing that meant it had to stop. If they’d been 11 or 12 forever, it could have run forever. But that wasn’t the kind of story I was able to tell.
Shauna’s late-period determination is showcased in Great British Bump Off from Dark Horse (and its follow-up, currently in the works)