Pat Fraley is an American voice actor and voice-over teacher, known as the voice of Krang, Casey Jones, Baxter Stockman and numerous other characters in the 1987 Teenage Mutant Ninja Turtles animated television series and voiced Falcon in the 2003 Stuart Little animated television series. Fraley is also a member of Voice and Speech Trainers of America.

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. Like the turtles, Casey Jones is a vigilante, and was created as a parody of vigilante characters that were popular in comics at the time. 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.