THANK YOU FOR ASKING

Darcy - he's a museum curator in Western country that the Western wizards come to for advice whenever they need background on something they don't know, he's a recurring NPC. So Museum curator is a real job in the modern world, so I think he'd have that!

Echo - she builds weapons but she's not like. Anything official, she has her nasty evil lab stored somewhere so honestly I think she'd be a local cryptid living off in some rural area where you occasionally hear a BOOM coming from the direction of where she lives but nobody can ever find out the source of what she's doing so it remains a mystery!