Dynamic addChild

I’m trying to make this character selection thing and I need to add the image of the character dynamically. Each character is a movieclip name Character1, Character2 and so on… I dont know everything about flash but I do my best, as far as I know I need to declare each as “var character1:Character1 = new Character1();” or similar and then “addChild(character1);”. I need to know how I can dynamically do this so that I can addChild based on “var characterNumber:String = “character”+Number;”.