I personally think the Hershey rides have badass names- Stormrunner, Fahrenheit, Great Bear, Skyrush. Up north a little bit more you have Talon, which I think is fab too. Add in El Toro, Sheikra, Nitro, Tatsu, and Kawasemi.
For worst... not including "Roller Coaster", probably Rebel Yell. Why...