Vector: "Huh, Espio when did you become a girl"
Blaze: "Im not Espio"
Vector: "Yeah, suuuure" Wink " keep up the disguise. It's pretty realistic, right Charmy?"
Silver: "ITSNOUSE!"
Vector: "Man you two are acting odd today."
Meanwhile
Mephiles: Has Espio and Chamry tied up "You know Blaze, Sliver, you two sure are acting odd today."

I think Sega has the full rights, it's just that they don't want to get into more legal shitflinging with you-know-who.