Maybe
Is it her driver?
I'm assuming you are keeping the RN theme?
CHRGERN = Charger'n (with RN in there)\
RED RNER = Red Runner (double meaning with RN again)
DYTONTR = Detonator, but spelled to indicate Daytona and Tor Red
Shoot, I don't really know you two so I don't have any idea what you might like. I tried anyway.
