This Casey Jones vinyl figure is released by Funko in their POP! Retro Toys x Teenage Mutant Ninja Turtles vinyl figure series.
Funko POP! is a crossover vinyl figure series by Funko and other famous franchises such as Disney, Pixar, DC Comics, Marvel Comics, Simpsons, South Park, Uglydoll, etc. Each POP! figure is about ~3" to ~5" tall and crafted in a Japanese anime/manga super-deformed style (NOTE: due to the unique design of each character, the actual size of the figures may be smaller or bigger than stated).
The POP! Retro Toys x Teenage Mutant Ninja Turtles series features characters from the animated series of a fictional team of four teenage anthropomorphic turtles, such as Leonardo, Raphael, Donatello, Michelangelo, Splinter, Shredder, etc.