Chungarunga

 In some species temperature determines whether an egg develops into male or female. A higher temperature causes a female, a lower temperature causes a male.
 
In Leonardo's and Raphael's case the temperature was pretty average so they're a bit confused.

Donatello, the rest just suck.

The most important thing is not to be shy of your accent. Remember, accent is not a defect. In Latin accentus meant "song added to speech".

One thing you should do is get some online gaming friends from France and speak with them while you play.