As a longtime friend of theTeenage Mutant Ninja Turtles, Casey Jones has fought countless battles against the Foot Clan. However, his allegiance has suddenly shifted, and he’s joined the ranks ofShredder’s former armyin a staggering twist. One of the ninja turtles' closest accomplices is switching sides, and Casey Jones' role in TMNT lore will never be the same.

In the “Casey Jones: Agent of the Foot Clan” story fromTeenage Mutant Ninja Turtles: Mutant Nation#1 - written by Erik Burnham with art by Mateus Santolouco, Marco Lesko, and Rus Wooton -Casey debuts an all-new outfit as he forsakes his solo vigilante roots and fights on behalf of the Foot Clan. Artwork by Javier Fernández for the series' second issue showcases this updated design in action.

TMNT Mutant Nation Casey Jones

Casey Jones’s status quo faces a massive upheaval in more ways than one now that he’s joined forces with Karai -the “granddaughter” of Shredder- and the rest of the Foot Clan’s ninjas.

Casey Jones Gets a Shocking New Look as He Joins the Foot Clan

One of the TMNT’s Closest Allies Joins Their Enemies' Ranks

Casey Jones' storyline inMutant Nationkicks off en media res, as he battles enemies of the Foot Clan whilechatting to April O’Neilon the phone. Immediately, his newfound membership in the Foot Clan is apparent.Casey’s iconic ski mask bears the Foot Clan’s symbol to mark him as one of them, redefining this fan-favorite character in a whole new light.Furthermore, his gear is now more reminiscent to that of a ninja, complete with bandages on his forearms. Casey is going all-in on the Foot Clan’s red and black color scheme in this appearance, and April isn’t alone in questioning how this change occurred.

TMNT Embraces Raphael’s New Civilian Status With the Perfect Solo Makeover, But Will His Peace Last?

Raphael receives a stylish redesign now that he’s gone his separate ways with his brothers, deviating from his ninja lifestyle in an unexpected way.

The ninja turtles and Casey have teamed up with Karai in the past, such as in thebattle against the Rat King, but serving the Foot Clan as an organization is an entirely different matter. InTeenage Mutant Ninja Turtles: The Untold Destiny of the Foot Clanby Burnham and Santolouco,Casey acts as an advisor to Karai in hopes of steering the Foot Clan in a more positive direction. Now, as a rival clan emerges, he admits to April that Karai has become “unpredictable”. As committed as he looks to the Foot Clan on a visual level, Casey seems to be having doubts about Karai’s leadership.

TMNT’s Raphael.

Casey Jones' Foot Clan Makeover Isn’t His Only Unexpected Redesign in TMNT Lore

In TMNT’s Power Rangers Crossover, Casey Wore His Wildest Costume Ever

While Casey Jones getting a new look as a Foot Clan member certainly comes as a shock, it’s far from his most surprising design in the franchise’s history. His original design, created by Kevin Eastman and Peter Laird, has stood the test of time for a reason and defined his characterization as a rough-and-tumble brawler - but that doesn’t mean he hasn’t deviated from it before. TheTeenage Mutant Ninja Turtles' crossover with the Power Rangersfeatures him donning his boldest attire yet, veering away from his typical casual style and granting him a powerful upgrade unlike any other inTMNTlore.

Mighty Morphin Power Rangers/Teenage Mutant Ninja Turtles IIis the follow-up to TMNT’s first crossover with the Power Rangers franchise. To see how these teams' unlikely alliance began, check outMighty Morphin Power Rangers/Teenage Mutant Ninja Turtlesby Ryan Parrott and Simone Di Meo!

Power Rangers - Casey Jones New Costume

InMighty Morphin Power Rangers/Teenage Mutant Ninja Turtles II#1 by Ryan Parrott and Dan Mora, Casey Jones is influenced byRita Repulsato join her villainous cause, and he gets an eye-catching costume to mark this shift.Operating under the name Power X, Casey wears a corrupted version of a Power Rangers suit, complete with a sleek helmet that integrates the features of his ski mask.As unusual as his Foot Clan membership is, it doesn’t hold a candle to him becoming an evil Power Ranger. Of course, within theTMNTuniverse, Casey’s friends will be much more astounded by his Foot Clan revamp.

The TMNT Will Soon Learn About Casey Jones' Foot Clan Allegiance (How Will They React?)

Teenage Mutant Ninja Turtles#5 Cover by Javier Fernández and Patricio Delpeche

Now that Casey Jones is aligning himself with the Foot Clan, his usual allies won’t be pleased. The TMNT are currently being targeted by the Foot Clan, as the sinister group has taken over New York City on a mission to eradicate mutants. Now that theninja turtles have reunited, they won’t be pleased to find out that their home city is overrun with Foot Clan members. Moreover, they’ll be even more shocked to learn of Casey’s involvement. Casey Jones' loyalty to the Foot Clan will be put to the ultimate test as a potential showdown with theTeenage Mutant Ninja Turtlesdraws near.

Teenage Mutant Ninja Turtles: Mutant Nation#1is available now from IDW Publishing.

Cover art: The ninja turtles are trapped in a cage that’s part of Casey Jones' iconic mask

Teenage Mutant Ninja Turtles

Teenage Mutant Ninja Turtles (TMNT) is a multi-media franchise that began with Kevin Eastman and Peter Laird’s comics in the 1980s. Throughout the years, their comic books expanded to movies, TV shows, video games, and toys. Most notably, the animated Teenage Mutant Ninja Turtles ran for nearly a decade and has become a nostalgic staple of the ‘80s and ‘90s. Several other movies have featured the four anthropomorphic turtle brothers (Leonardo, Michelangelo, Donatello, and Raphael), including the trilogy of live-action films in the ‘90s and the more recent movies Teenage Mutant Ninja Turtles and its sequel Teenage Mutant Ninja Turtles: Out of the Shadows.

Teenage Mutant Ninja Turtles (1987) TV Show Poster