Guest Stars Grey DeLisle Griffin voices Xandra the Goddess of Adventure Wayne Knight voices Baron Von Sheldgoose Jessica DiCicco voices June Jessica DiCicco voices May Jessica DiCicco voices April Dee Bradley Baker voices Ari the Aracuan Bird Kevin Michael Richardson voices Felldrake Dee Bradley Baker voices Leopold The Horrible Tress MacNeille voices Daisy Duck Jim Cummings voices Bear Rug Dee Bradley Baker voices Tengu Dee Bradley Baker voices Minotaur Kevin Michael Richardson voices Ghost Abraham Lincoln Kevin Michael Richardson voices Moai Commander Dan Bakkedahl voices Ghost George Washington Grey DeLisle Griffin voices Debbie Affidavit Grey DeLisle Griffin voices Eugenia Ferdinand-Ferdinand John O'Hurley voices King Arthur Eric Bauza voices Mars Eric Bauza voices Ghost Teddy Roosevelt David Kaye voices Ghost Thomas Jefferson Nicolas Roye voices King Vomit Matt Danner voices Lava Lizards Matt Danner voices Goblins Eric Bauza voices Blazebeak Matt Danner voices Bystanders