GIRL POWER

After a hit on the Cartoon Network, Japan pop stars Ami and Yumi are taking over. But haven't we seen this act? PERI investigates:

Relation

Puffy AmiYumi Met at an audition nine years ago; they're BFFs

Mary-Kate and Ashley Olsen Twin sisters

Ages

Puffy AmiYumi 31 (Ami), 30

Mary-Kate and Ashley Olsen Both 18

Animated Series

Puffy AmiYumi"Hi Hi Puffy AmiYumi" has a big tween following

Mary-Kate and Ashley Olsen "Mary-Kate and Ashley in Action!" lasted a season. On DVD in May.

Dolls

Puffy AmiYumiSay Japanese words and sing theme song. Out August.

Mary-Kate and Ashley Olsen Dressed for college. Carry GO TEAM megaphones.

Greatest Hits

Puffy AmiYumi"True Asia," "Love So Pure," "Planet Tokyo"

Mary-Kate and Ashley Olsen "I Am the Cute One," "Ice Cream Crazy," "Pool Party"

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