Casey Jones confirmed for TMNT: Smash-Up

[Mr Khan]

izaaz101 said:

Gamerace said:
What are the odds of the girl turtle from the 90s live tv series getting in?

Considering that one of the guys who created her doesn't ever allow her to be mentioned, I'd say not very likely.

According to one of the co-creators, Venus De Milo is non-canon, or at least he wishes she were.