"Oh good!" Except that didn't sound like Clara - oddly, it almost sounded like Magica. With a little giggle, the person opened the door, sliding inside and closing it quickly before she could be spotted.

No, it definitely wasn't Clara. It was a blonde version of Magica, decked all in blue - although even then, her having normal arms and legs would've given her away. "Well well well, let's get a good look at you!"