Jason Christopher Marsden
is an American actor, voice actor, director, and producer largely known for numerous voice roles in various animated films, video games and television series. He is best known for his voice roles as Chester McBadbat in the Nickelodeon animated TV series, The Fairly OddParents, and as Nermal in The Garfield Show.

His Disney roles include as the current voice of Max Goof since 1995, Kovu in The Lion King II: Simba's Pride, Mungo in Tarzan, Norman Squirelli in Even Stevens, Cavin in Disney's Adventures of the Gummi Bears from Season 4 to Season 6, Tino Tonitini in The Weekenders, Haku in Spirited Away, Matt Olsen in W.I.T.C.H. and various other characters for other Disney projects.