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Regeena Peterson is the replacement 2nd friend for Betty in the 3rd Season of Atomic Betty. She is also the principal's daughter, and maybe muscular than any of the other kids on the show. On the final epsisode, The Future is Now, she joined the Galactic Guardians in the year 2013.

Alliance of Super GirlsEdit

In a future storyline of The Alliance of Super Girls, Regeena will stumble upon the high-tech headquarters of The Alliance and will discover Betty's secret.