Meet Amaki Sally, an idol like no other.
She reminds me a lot of Amber from f(x) for her American style of speaking and of being very much not the typical idol personality ;)
She's a voice actress for a group called 22/7, but for a long time most of her fans didn't know she was Japanese-American. Her first langauge is English!
"gangster Sally comes out and that ruins my Japanese idol image"
Watch some of her best English moments:
She's a voice actress for this group:
She also has a blog, and she writes really typical nice blog entries in Japanese:
(this is a rough translation from her xmas blog)