Suggestions by @flufflepengprincess

Rudy (Ice Age)

as The Leopard Seal in The Pebble and the Penguin (If Fictional Characters Made It)

Cretaceous and Maelstrom

as The Killer Whales in The Pebble and the Penguin (If Fictional Characters Made It)

Hatchlings

as Petra, Beany, and Timmy in The Pebble and the Penguin (If Fictional Characters Made It)

Webby Vanderquack

as Petra, Beany, and Timmy in The Pebble and the Penguin (If Fictional Characters Made It)

Huey, Dewey, and Louie

as Petra, Beany, and Timmy in The Pebble and the Penguin (If Fictional Characters Made It)

Marie, Berlioz, and Toulouse

as Petra, Beany, and Timmy in The Pebble and the Penguin (If Fictional Characters Made It)

The Evil Manta

as Drake in The Pebble and the Penguin (If Fictional Characters Made It)

Taurus Bulba

as Drake in The Pebble and the Penguin (If Fictional Characters Made It)

Muscular

as Drake in The Pebble and the Penguin (If Fictional Characters Made It)

Lord Tirek

as Drake in The Pebble and the Penguin (If Fictional Characters Made It)

Lovelace(Happy Feet )

as Rocko in The Pebble and the Penguin (If Fictional Characters Made It)

Iron Will

as Drake in The Pebble and the Penguin (If Fictional Characters Made It)

Lotso (Lots-o'-Huggin' Bear)

as Drake in The Pebble and the Penguin (If Fictional Characters Made It)

Hexxus

as Drake in The Pebble and the Penguin (If Fictional Characters Made It)

Nobuyuki Sugou

as Drake in The Pebble and the Penguin (If Fictional Characters Made It)

Kisshu

as Drake in The Pebble and the Penguin (If Fictional Characters Made It)

Makunga

as Drake in The Pebble and the Penguin (If Fictional Characters Made It)

FAKE

as Drake in The Pebble and the Penguin (If Fictional Characters Made It)

Red (All Dogs Go To Heaven 2)

as Drake in The Pebble and the Penguin (If Fictional Characters Made It)

Von Talon (Valiant)

as Drake in The Pebble and the Penguin (If Fictional Characters Made It)