who are the elite four in pokemon pearl?
['Roark (Oreburgh City)', 'Gardenia (Eterna City)', 'Maylene (Veilstone City)', 'Crasher Wake (Pastoria City)', 'Fantina (Hearthome City)', 'Byron (Canalave City)', 'Candice (Snowpoint City)', 'Volkner (Sunyshore City)']