Teenage Mutant Ninja Turtles New Animated Adventures — IDW Publishing
Issue: #8 RI
It's monkey vs. rat as Monkey Brains squares off against the Rat King! The former colleagues have gone through big changes since they last met, but bad blood remains! With the Turtles caught in the middle, the action is bound to get hairy!
First appearances: Monkey Brains
Creators: Bobby Curnow, Heather Breckel, Shawn Lee, Robbie Robbins, Alan Payne, Kenny Byerly, Lorelei Bunjes, Dirk Wood, Matthew Ruzicka, Dario Brizuela, Greg Goldstein, Jeff Webber, Chris Ryall, Ted Adams, Ciro Nieli
Characters: Donatello, Leonardo, Michelangelo, Raphael, Monkey Brains, The Rat King