R2 and Nora are the youngest Turtlette sisters, and as the big sister it is R2's duty to give Nora a hard time
She also loves Disney movies, so yes, she is referencing Nani from Lilo and Stitch.
Also, yes, these are their 2014 movie-style outfits! DETAILS AND ACCESSORIES YAYNinja Turtles are © to Mirage Studios
Sango is © to Nora is © to R2 is © to Kazari is © to