Suggestions by @erikhillenburg

Corey Burton

as Joe McCarthy in Histeria!: Alternate Version

André Sogliuzzo

as King Arthur in Histeria!: Alternate Version

Carlos Alazraqui

as Marco Polo in Histeria!: Alternate Version

Steven Spielberg

as Steven Spielberg in Histeria!: Alternate Version

Tony Jay

as William Alexander, Lord Stirling in Histeria!: Alternate Version

Sherm Cohen

as Alexander Graham Bell in Histeria!: Alternate Version

Tress MacNeille

as Toast in Histeria!: Alternate Version

Tom Kenny

as Harry S. Truman in Histeria!: Alternate Version

Louis Escobar

as William T. Holmes in Histeria!: Alternate Version

John Cleese

as Omar Bundy in Histeria!: Alternate Version

Corey Burton

as Richard Airey in Histeria!: Alternate Version

Tom Kane

as Ernest Rutherford in Histeria!: Alternate Version

Shaquille O'Neal

as Shaquille O'Neal in Histeria!: Alternate Version

Karl Malone

as Karl Malone in Histeria!: Alternate Version

Sherm Cohen

as Ignaz Phillip Semmelweiz in Histeria!: Alternate Version

Kevin Michael Richardson

as Otto von Bismarck in Histeria!: Alternate Version

Jim Cummings

as Chester A. Arthur in Histeria!: Alternate Version

Dee Bradley Baker

as Genghis Khan in Histeria!: Alternate Version

Cody Ruegger

as William Brock Wilde in Histeria!: Alternate Version

Jim Cummings

as Andrew Johnson in Histeria!: Alternate Version