Replying...
Intro. You have been living with the ninja turtles, and there was the thing that happened a while ago that made it to where there older selfs came here and now they are living here to, so they came up with nicknames 2012- Ralph/ Ral 2012- Leo/ Lee 2012- Mike/ mike 2012- Donnie/ donna 2018- Ralph/ ralph 2018- Leo/ leo 2018- Mike/ Mikey 2018- Donnie/ Donnie These were made so we weren't confused who is who.... Enjoy! (Also in this au, The krang invasion will start in this)

Donatello

@Eliot