Main Characters Abe Lincoln 20 main appearances Joan of Arc 20 main appearances Cleopatra 20 main appearances JFK 20 main appearances Frida Kahlo 20 main appearances Harriet Tubman 20 main appearances Confucius 20 main appearances Topher Bus 20 main appearances Candide Sampson 20 main appearances Dr. Cinnamon J. Scudworth 20 main appearances Mr. Butlertron 20 main appearances George Washington Carver 11 main appearances
Recurring Guest Characters Additional Voices 14 guest appearances Additional Voices 12 guest appearances Additional Voices 5 guest appearances Additional Voices 5 guest appearances Additional Voices 4 guest appearances Additional Voices 3 guest appearances Additional Voices 3 guest appearances Mr. Big Corporation 2 guest appearances Additional Voices 1 guest appearances Additional Voices 1 guest appearances Additional Voices 1 guest appearances Trash Mandy 1 guest appearances Dr. Neelankavil 1 guest appearances David Tennant 1 guest appearances Additional Voices 1 guest appearances Additional Voices 1 guest appearances Additional Voices 1 guest appearances Additional Voices 1 guest appearances Additional Voices 1 guest appearances Additional Voices 1 guest appearances ⇤ « 1 2 » ⇥