A versatile voice artist in 1987, Fraley voiced 65 characters on the animated TV series Teenage Mutant Ninja Turtles: Al, Aleister, Army Colonel, Antrax, Billy Jim Bob McJames, Bubba Badd, Bully, Chakahachi, Clown, Dr. Davens, Electrozapper, Erik/Erk Krang, Casey Jones, Cheese shop owner, Dippy, Dirtbag, Baxter Stockman, Barney Stockman, Fourth Goon, Gas station worker, The Great Boldini, Jewelry store salesman, Joey, Hans, Zak the Nutrino, Granitor, Burne Thompson, Kazuo Saki, Library security guard, Maitre'd, Malathor, Man with cotton candy, Mr. Reilly, Napoleon Bonafrog, Nasty Krangazoid, Obento, Rich man, Police chief, Policeman, Professor Mindbender, Raptor, Ray, Rich Man Rodney's butler, Rudy, Sailor, Scaredy Krangazoid, Scumbug, Seymour/Security guard, Second Viking, Short criminal, Sergeant O'Flaherty, Shogun, Slash, Smarty Krangazoid, Subway policeman, Third Goon, Titanus, Turtle cab driver, Wally cleaver, and Vernon Fenwick.

Pat voiced the title character in BraveStarr, Fireball in Saber Rider and the Star Sheriffs, Cousin Itt in The Addams Family, Max Ray in Ruby Spears' The Centurions, Lurky, Buddy Blue, On-X and Evil Force in Rainbow Brite, young Scrooge McDuck and Sir Guy Standforth in DuckTales, Gwumpki in Quack Pack, Sniff in Space Cats and as Wildcat in TaleSpin.

In 2004, Fraley appeared as a guest star on Cartoon Network's The Grim Adventures Of Billy And Mandy, Fox’s King of the Hill, and Nickelodeon's My Life as a Teenage Robot, The Fairly OddParents, and ChalkZone.

Fraley substituted for Tim Allen in the early years as the voice of Buzz Lightyear in various video and computer games, merchandise, attractions, and the Disney On Ice Disneyland Adventure.

[2] He has voiced roles in Toy Story 2, Monsters, Inc., Chicken Little, Tangled, and Happy Feet Two and performed ADR work for films such as The Muppets and Lincoln.