Nickelodeon/The Pagemaster

Timmy Turner (from the Fairy Oddparents) as Richard Tyler

Spongebob (from Spongebob Squarepants) as Adventure

Sandy Cheeks (from Spongebob Squarepants) as Fantasy

Patrick (from Spongebob Squarepants) as Horror

Abominable Snow Mollusk (from Spongebob Squarepants) as Moby Dick