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Rouge the Bat (ルージュ・ザ・バット, Rūju za Batto?) is a character in the Sonic the Hedgehog video game series, who is a determined treasure hunter and part-time government agent who plans to make all the gems and treasures of the world hers. Her main jewel obsessions are the Master Emerald and Chaos Emeralds. She made her debut in Sonic Adventure 2, released June 18, 2001, and has been featured in several games following it. With her make-up and visible cleavage, she is definitely the sex symbol of the Sonic the Hedgehog series.

In seven of the ten games she has appeared in to date, Rouge wears a skintight black body suit with a large pink heart-shaped breast plate, long white gloves, and white thigh-high boots with pink hearts on the toes. She also has long eyelashes and wears blue or pink make-up on her eyelids. Rouge is 18 years old and measures 3'5 tall. In Sonic Heroes and the two Sonic Riders games, she wears different outfits, but often with similar color schemes and heart-shaped details.

Source: Wikipedia