Pokémon Black and White Versions/Features/Elite Four and Champion

Unlike previous games, the Elite Four can be battled in any order. After battling all four, a path to the Champion is unlocked. The Elite Four members are Shauntal (Ghost), Grimsley (Dark), Caitlin (Psychic), and Marshal (Fighting). However, the player is not able to battle the Champion before defeating Team Plasma. Later, after defeating the Elite Four in a rematch, the player will face Champion Alder, who uses a variety of types. Caitlin is the same person present in the who was alongside her butler  in Generation IV.