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Character:

Ran is almost always cheerful and encouraging, but since she doesn't have many abilities beyond her athletic skills, she is mostly seen cheering for her friends instead of helping. She sometimes uses random english like "yey!", and "go for it" when she cheers. She is also honest, as seen in her first character change with Amu. A very energetic character, she cannot seem to stay still for a long time. The Shugo Chara! Encyclopedia! describes Ran as "super athletic and full of spirit."

Source from Wikipeida