How do you know, its literally a mixture of both, short pinkish hair, both got horn looking things sticking out their head. Except chobits girl dont even got pink hair, could just be a new character all together.
https://upload.wikimedia.org/wikipedia/en/b/b7/Chi_from_Chobits_8.jpg (Unsupported image host)
http://images4.alphacoders.com/150/150076.jpg (Unsupported image host)