Arnold Bernid "Casey" Jones is a fictional character that appears in Teenage Mutant Ninja Turtles comics and related media.

Created by Kevin Eastman and Peter Laird, he first appeared in the one-shot, Raphael: Teenage Mutant Ninja Turtle (April 1985).

Casey usually has long dark hair, wears an ice hockey mask and cut-off biking gloves, and carries his weapons in a golf bag over his shoulder.

So I came up with the idea of this character who would be called Casey Jones and he would have two bats as his main weapon, and he would wear a hockey mask and sweats – just something he cobbled together.

In the original Mirage series, Casey first appeared in the Raphael one-shot, by Kevin Eastman and Peter Laird.

[4] During the three-part episode City at War, Casey leaves the farmhouse and begins to drive to Los Angeles, planning to find April, but instead meets a pregnant woman named Gabrielle with whom he falls in love and marries.

Although mentioned, Casey Jones never appears in the Archie Comics Teenage Mutant Ninja Turtles Adventures.

When Casey was a little kid, he was worried that his dad should give into the Purple Dragons and their protection racket, lest something bad happen.

Upon his mother's death by cancer, his father, formerly Hun of the Purple Dragons, became an alcoholic thug who would vent his daily frustration on his son.

On one such occasion, Casey was saved from another violent beating by Raphael, who had at that time lived a solitary life as a street vagrant following his mutation (unaware that he had a family searching for him), and the two quickly became fast friends and fellow vigilantes until Raphael was reunited with his family, at which point Casey was introduced to and befriended the other three turtles as well.

On the day they were going to announce it however, the turtles brought in a fatally injured Splinter, where they reveal Shredder's daughter, Karai, broke the truce before Raphael recklessly went to confront the Foot Clan singlehandedly at the cost of his life.

During the ten years after Raphael's death, Casey and April got married before they and the turtles formed an alliance with the Purple Dragons to defeat the Foot Clan.

While Splinter and Donatello went to Japan to discuss peace talks with Karai's son, it was revealed to be a set up as Stockman was tracking their friend, Fugi-Toid.

In the 1987 animated series, Casey Jones is a crazed vigilante with a "Dirty Harry" like persona, who goes after all sorts of criminals, from robbers to litterers.

He speaks in a Brooklyn accent, voiced by Marc Thompson in English and Tokuyoshi Kawashima in Japanese[citation needed].

Though initially uninterested in what he has to say, Casey eventually bonds with Raphael after he loses to Raph in a bike race and begins listening to his lessons.

In the finale "Wedding Bells and Bytes", they are married, with Raphael serving as the best man and Michelangelo as the maid of honor.

[7] In the tie-in prequel comic on the official website, Raphael spots some graffiti on a sewer wall that says, "Jones is everywhere!

He later becomes a vigilante who hunts criminals, mutants and anything that he thinks threatens "his" city in season two's episode "The Good, The Bad and Casey Jones" and becomes an ally to the turtles, specifically Raphael who becomes his best friend.

In the alternate future seen in Raphael: Mutant Apocalypse, Casey was one of the many humans that died as a result of a giant Mutagen bomb hitting the planet.

In the Monstrous Tales saga, Casey turns into a vampire, along with April, Donatello and Raphael, until he returns to normal, due to Mikey defeating Dracula.

Later, Casey teams up with the Turtles and the Mighty Mutanimals to put an end to Zeck and Steranko in "The Big Blowout".

A second, more traditional version of Casey appears in Rise of the Teenage Mutant Ninja Turtles: The Movie, voiced by Haley Joel Osment.

Casey later sees Raphael alone on a rooftop surrounded by Foot soldiers and comes to the Turtles' aid in the subsequent attack.

Koteas also appears as an ancestor of Jones named Whit who, like his descendant, ends up helping the Turtles despite anti-heroic tendencies.

By the time the film takes place, Casey is now in a relationship with April and he works for her shipping company as a delivery man, spending his nights continuing his vigilante activities.

Jones appears in Teenage Mutant Ninja Turtles: Out of the Shadows, the sequel to the 2014 film, played by Stephen Amell.

After the Shredder escapes from custody, and Bebop and Rocksteady beat him up and steal his armored vehicle, Casey ends up suspended and decides to hunt the two criminals on his own.

He is quickly introduced to the turtles and becomes a butt of their jokes, with Raph and Mikey mocking his hockey mask and later tricking him into attacking Master Splinter (which results in Casey getting easily defeated).

However, within a day Raph and Mikey warm up to Casey and convince him to help them steal the Purple Ooze from police headquarters.