[Teuthida]

Thus far, the following characters have been confirmed to appear:

Mirage Comics Characters

* Donatello
* Leonardo
* Michelangelo
* Raphael
* Shredder

1987 Series Characters

* April O'Neil
* Bebop
* Donatello
* Foot Soldiers
* Krang
* Leonardo
* Michelangelo
* Raphael
* Rocksteady
* Shredder
* Splinter

2003 Series Characters

* April O'Neil
* Casey Jones
* Donatello
* Foot Soldiers
* Hun
* Karai
* Leonardo
* Michelangelo
* Police Officers Eastman and Laird
* Purple Dragons
* Raphael
* Utrom Shredder (Ch'rell)
* Splinter
* Rahzar
* Tokka

Miscellaneous

* Kevin Eastman
* Peter Laird

Totally tubular.