Rouge

History
Rouge might have a tough life stealing emeralds and jewels every hour. She has the ability to fly with her bat wings.

Sonic Series
In the sonic series, Rouge plays a some what big role. She is a crook who is fond of stealing the chaos emeralds along with Shadow the Hedgehog. She occasinally will help out Sonic and friends. She has shown to have a crush on Knuckles however it might be so she can steal Knuckle's Master Emerald.

Mario and Sonic at the Olympic Winter Games
In the newest game Rouge along with Omega, Jet the Hawk and Eggman Nega from the Sonic series will appear as bosses in the DS version's Adventure mode. Not much yet is known about her appearence though.