TV/The Pebble & The Penguin

Dudley Puppy (from T.U.F.F. Puppy) as Hubie

Scooby-Doo (from Scooby-Doo) as Rocko

Kitty Katswell (from T.U.F.F. Puppy) as Marina

Verminious Snaptrap (from T.U.F.F. Puppy) as Drake

Gult (from The Little Mermaid), Undertrow (from The Little Mermaid II: Return to the Sea) Bruce (Finding Nemo) as Killer Whales

Glasburgh Dragon (from What's New Scooby-Doo) as Leopard Seal