Cheren wanted to see Pokémon get stronger. Roxie listed 5 different places that she wanted to go to. Burgh ... actually, I don't remember what he wanted, so he might not have shown up. Elesa wanted to go to a shop with a pretty girl (scouting for new models, apparently). Clay wanted to go to one of 2 different places. Skyla ... actually, I don't remember what she wanted, so she might not have shown up. Drayden was willing to go anywhere. Marlon ... I'm not sure what he wanted, but he was the first Gym Leader to show up.
http://i458.photobucket.com/albums/qq303/CharizardFire6/Char-Brawl.gif The official Charizard of the Pokemon Black 2 and White 2 boards.