Input (grade 10): He is best known for his voice-work on Avatar: The Last Airbender, Codename: Kids Next Door, Phineas and Ferb, Adventure Time with Finn and Jake, American Dad!
Output (grade 8): He is best known for his voice-work on Phineas and Ferb, SpongeBob SquarePants, Adventure Time with Finn and Jake, American Dad!