Board Thread:Questions and Answers/@comment-65.130.222.229-20130209231901/@comment-2.221.64.106-20130225143213

There's a lot of talk about Karai and Leo being related - they really aren't. Leo was a baby turtle bought from a pet shop, not Splinter's son. They could date perfectly legitimately, though a human and a turtle would be a bit of an odd pairing.

I like the idea that Karai is Miwa; it would add a unique relationship to this version of the Turtles and allow the creators to play with brand new ideas, not to mention give Splinter some excellent character development.