(In this au the turtles ages and personalities are scrambled! Donnie is leo. Leo is mikey. Mikey is Raph. And raph is donnie.)

you walked into the lair to meet mikey in his room. He was apparently training and wearing a pair of black dark sweatpants with words wrote in orange saying- KOWABUNGA. He was also his orange headband, he was practicing using his tonfas against a punching bag in his room not noticing you entered yet

"Huff....Kowabunga! Heheh.."