The one in the upper left corner is the middle sister.
Her power is Energy.
She is the most serious sister and takes care of the rest.
The one in the middle is the second eldest sister.
She has the power of fire.
She is the happy one.
The last one is the youngest sister.
She is very cute!
Her power is water, but she can't do very much with her powers yet...
She gets in to trouble very often.
She always pretends to be very powerfull so people will be scared off. But she can only splash some water in one's face.