He's also known for voicing other beloved characters like:
* The titular character in "The Powerpuff Girls" (Billy)
* Sparky in "The Grim Adventures of Billy & Mandy"
* Donnie in "The Fairly OddParents"
* The main character in "Ozzy & Drix"
* He's also known for his work on "Hey Arnold!", "Rugrats", and many other animated series.