Suggestions by @paramoosestudios

Jared Leto

as Jared Leto in The Greg Christmas Special

Arnold Schwarzenegger

as Jacked Frost in The Greg Christmas Special

Scott Wozniak

as Spider-Supreme in The Greg Christmas Special

Waldorf

as Waldorf Santa in The Greg Christmas Special

Andrew Garfield

as Past Spider-Man in The Greg Christmas Special

Christian Bale

as Gorr the God Butcher in The Greg Christmas Special

Christain Bale

as Gorr the God Butcher in The Greg Christmas Special

Nicholas Hammond

as Santa Spider-Man in The Greg Christmas Special

Harrison Ford

as Ron Weasley in The Greg Christmas Special

J.K. Simmons

as J Santa Jameson in The Greg Christmas Special

Wayne Knight

as Newman in The Greg Christmas Special

Jerry Seinfeld

as Ghost of Jerry Seinfeld in The Greg Christmas Special

Ewan McGregor

as Young Santa in The Greg Christmas Special

Tom Hardy

as Warrior Santa in The Greg Christmas Special

Samuel L. Jackson

as Santa Claus in The Greg Christmas Special

Tom Holland

as Stark Suit Spider-Man in The Greg Christmas Special

David Howard Thornton

as The Grinch in The Greg Christmas Special

Josh Brolin

as Chef Thanos in The Greg Christmas Special

Tim Allen

as Tim Allen The Santa Clause in The Greg Christmas Special

Josh Keaton

as Spider-Man in The Greg Christmas Special