I can’t remember if you got that far, but Ginny in Apocalypse Pow! fought off a zombie horde with a few jars of acid and a table leg.
All of the NPCs for Mwangi campaign started with a secret, in case I needed a fast plot point. The wizard Tara (who I’ll remind you several party members wanted) is actually manic depressive and performs the occasional weird experiment on random victims or sometimes herself.
Infantry practices weaponsmithing in his spare time. He’s made a lot of shitty spears, which is why he carries around a bunch of different polearms for DR.
Dove cuddles - but only if she has a knife within grabbing distance. Usually under her pillow.