Bet to be Blonde.
Kari Wahlgren (born in July 13, 1977) is an American voice actress. She can be recognized as Haruko Harahara in FLCL, Kagami Hiiragi in Lucky Star, Fuu in Samurai Champloo, Kyoko Milchan in Heat Guy J, Ashe in Final Fantasy XII, Lady in Devil May Cry, Tayuya in Naruto, Charmcaster in the Ben 10 series, Emma Frost in Wolverine and the X-Men, Enchantress and Jane Foster in Avengers: Earth's Mightiest Heroes, Saya Otonashi in blood+, Saturn Girl in Legion of Superheroes, Zatanna in Justice League: Heroes, Hawkwoman in Young Justice, and Vicki Vale in Batman: Arkham City.
She can also be seen as "Mud Girl" in a recent Swiffer commercial.