Joshua Luis Weiner, known professionally as Josh Keaton, is an American actor, voice actor, singer, and musician, who is best known for his many voice roles, such as Jack Darby and Tailgate in Transformers: Prime, Hal Jordan/Green Lantern in Green Lantern: The Animated Series, Takashi "Shiro" Shirogane in DreamWorks' Voltron: Legendary Defender, Ryu Hayabusa and Revolver Ocelot in the video games Ninja Gaiden II and Metal Gear Solid 3: Snake Eater (respectively), and Spyro in the Skylanders video game franchise.

For Disney, he voiced young Hercules in the 1997 Disney animated film of the same name, a role he later reprised in Kingdom Hearts: Birth by Sleep. He also voiced Kenai in the video game version of Brother Bear, Tucker in the Dinosaur DVD/Blu-ray bonus short Recycle Rex, Johnny Foosball in Doc McStuffins, and provided additional voices in the 2006 CGI film The Wild. Additionally, he voiced Spider-Man in The Spectacular Spider-Man series, as well as recorded lines for him in The Avengers: Earth's Mightiest Heroes, but was replaced by Drake Bell prior to the airing of his appearances on television. Ironically, Keaton voiced Norman Osborn in the new 2017 Spider-Man series.

Additionally, Keaton is the current voice of second Ant-Man/Scott Lang, and voiced Skinny Steve Rogers/HYDRA Stomper and Steve Rogers/Captain America in the Marvel animated series: What If...? and Marvel Zombies. He also played Mootai/Jason in The Even Stevens Movie, a Newsboy in Newsies, and voiced Angelo/Syphonater in Moon Girl and Devil Dinosaur.