He's known for voicing a wide range of characters, including:
* Appa in *Avatar: The Last Airbender*
* Captain Planet in *Captain Planet and the Planeteers*
* The penguins in *Madagascar*
* Various characters in *Star Wars: The Clone Wars*
So, if you hear a quirky, energetic, and sometimes mischievous voice, that's Dee Bradley Baker doing a great job as Gil!