You can your car anything you like. Look to Sebastian Vettel for inspiration.
(2010 RB6) Luscious Liz (chassis #1) Randy Mandy (Chassis #2)
(2011 RB7) Kinky Kylie
(2012 RB8) Abbey
(2013 RB9) Hungry Heidi
There also was "Kate" followed up by "Kate's Dirty Sister" after a crash, but I forget which season that was.