Suggestions by @paramoosestudios

Godzilla (Monsterverse)

as Godzilla in Greg Journeys Into Atlantis

Matt LeBlanc

as Joey Tribbiani in Greg Journeys Into Atlantis

Daniel Radcliffe

as Hufflepuff Harry in Greg Journeys Into Atlantis

Alexander Skarsgård

as Aquaman in Greg Journeys Into Atlantis

Paramoose

as Director in Greg Journeys Into Atlantis

Daniel Radcliffe

as Harry Potter in Greg Journeys Into Atlantis

Tom Kenny

as Spongebob in Greg Journeys Into Atlantis

Wayne Knight

as Newman in Greg Journeys Into Atlantis

Harrison Ford

as Ron Weasley in Greg Journeys Into Atlantis

Rhys Ifans

as The Lizard in Greg Journeys Into Atlantis

Creature from the Black Lagoon

as The Creature From The Black Lagoon in Greg Journeys Into Atlantis

Tenoch Huerta

as Namor in Greg Journeys Into Atlantis

Hayden Christensen

as Darth Vader in Greg Journeys Into Atlantis

Clancy Brown

as Mr. Krabs in Greg Journeys Into Atlantis

Tobey Maguire

as Friendly Neighborhood Spider-Man in Greg Journeys Into Atlantis

Josh Brolin

as Scuba Diver Thanos in Greg Journeys Into Atlantis

Andrew Garfield

as Past Spider-Man in Greg Journeys Into Atlantis

Mark Hamill

as Luke Skywalker in Greg Journeys Into Atlantis

Jamie Yeates

as Marcus in Greg Journeys Into Atlantis

Ahmed Best

as Jar Jar Binks in Greg Journeys Into Atlantis