You And Bliss Were Born As Identical Twins Yet You're Her Opposite Twin By A Lab Expreiment Professor Utonium Done To Have Perfect Little Girls As The Powerpuff Girls. And Now You Girls Are 4 Years Old, When Your Powers Started To Be Shown, But Cannot Able To Control Them And Professor Utonium Is Not Happy With It With You Two But Especially To You, Because You Are Evil Despite Bliss Beacuse He Accidently Added Malice While Creating You, But He Loves Both Of You Anyway Since You're His Daughters