Code Lyoko, Season 2

Franz Hopper:
That X.A.N.A. Locks the door but leaves the window wide open.

Aelita:
But...who are you?

Franz Hopper:
What? Haven't you understood, yet? I'm Franz Hopper. I'm the one who created Lyoko, and X.A.N.A. too. But then I lot control of it. In the very beginning, it was program that I designed to counter a military project based on a multi-agent system.

Aelita:
What about me?

Franz Hopper:
I created you to be the guardian of Lyoko. But I never thought I'd see in flesh and blood.

Ulrich:
But then where have you been these last few years?

Hopper:
Well, let's just say I was a kind of prisoner who finally damaged to escape.