Jonny Rees (known professionally as Greg Ellis) is an English actor and voice actor who is well-known for voicing Jet-Vac in the Skylanders video game franchise since Skylanders: Giants in 2012. He also reprised this role in the spin-off television series Skylanders Academy.
He is best known for his Disney roles as Theodore Groves in Pirates of the Caribbean, Nigel Gearsley in Cars 2: The Video Game, Wax William Shakespeare in Gravity Falls, Rocket Raccoon in The Avengers: Earth's Mightiest Heroes, Nigel in Handy Manny, Jameson in Phineas and Ferb, Spruce in Sofia the First, Valen Rudor in Star Wars Rebels, and Mzingo in The Lion Guard.