Dreamland Kingdom
King Zøg | Queen Dagmar | Queen Oona | Odval | Sorcerio | Arch-Druidess

Dankmire
King of Dankmire | Queen of Dankmire | Chancellor of Dankmire | Chazzzzz | Dankmirian Hillbillies

Maru
Queen Dagmar | Emperor Cloyd | Becky the Enchantress | Jerry

Hell
Asmodium | Luci | Queen Dagmar

Steamland
Sky Gunderson | P.T. | Troll Circus Troupe | Arch-Druidess

Other
Junior | Bozak Admiral | Sven | Big Jo | Porky | Hansel and Gretel | Bad Bean

See Also
The Simpsons Villains | Futurama Villains