http://www.serebii.net/pokearth/trainers/bw2/116.png
Leader Roxie

http://www.serebii.net/pokearth/maps/unova/76-gym.png

http://www.serebii.net/blackwhite/pokemon/109.png
Koffing
Level 16

http://www.serebii.net/blackwhite/pokemon/088.png
Grimer
Level 16

http://www.serebii.net/blackwhite/pokemon/544.png
Whirlipede
Level 18