TMNT: The Last Ronin #1 Foil Mexican CBCS 9.8 5x Signed Bartling Escorza Bros is a single issue comic book published by IDW Publishing in 2024. It is part of the TMNT universe and the Last Ronin series. The comic book is signed by Esau Escorza, Kevin Eastman, Issac Escorza, Aaron Bartling, and Tom Waltz. The cover artist is Aaron Bartling. The comic book is graded 9.8 Near Mint/Mint by Comic Book Certification Service (CBCS) and authenticated by Certified Guaranty Company (CGC).