Mega Man characters with similarities to other characters: Roll (classic series)

This is Mega Man's sister Roll.

And these are a heroines that similar to her:

Princess Peach (Mario franchise)

Minnie Mouse (Disney Universe)

Pink Bomberman (Bomberman series)

Amy Rose (Sonic the Hedgehog franchise)

Coco Bandicoot (Crash Bandicoot series)

Blossom (The Powerpufff Girls franchise)

Bubbles (The Powerpufff Girls franchise)

Mabel Pines (Gravity Falls)

Rope Girl (Teamo Supremo)

Sailor Moon (character)

Arle Nadja (Puyo Puyo series)

Amitie (Puyo Puyo series)

Star Butterfly (Star vs. the Forces of Evil)

Kyoko (Kunio-kun series)