Growgan and Billy

Growgan and Billy is an American animated horror-comedy television series, being created by TBD. It is produced by Universal Animation Studios and  and it airs on Universal Kids since October 31st, 2019.

Synopsis
A cowardly monster named Growgan befriends a young kid named Billy Scott as they go on various weird misadventures in the town of Indigo Creek.

Main

 * Growgan (voiced by Nolan North) - a giant hairy one eyed orange monster who is very cowardly and befriends the human boy Billy Scott.
 * Billy Scott (voiced by Grey Griffin) - a brave young boy who befriends Growgan as they go on adventures in Indigo Creek.

Supporting

 * Lorene Scott (voiced by Catherine Taber) - Billy's caring older sister who takes care of him after their parents' death and who Growgan has a strange crush on with her returning the feelings.
 * Nicholas Nicholson (voiced by Scott Menville) - a tween boy who is happy-go-lucky as nothing bad barely ever happens to him, also being Billy's best friend, even if he's a few years older than him.
 * Martha Davis (voiced by Hynden Walch) - a tomboyish young girl who Billy has a crush on, despite she doesn't notice his advances.
 * Numbskull (voiced by Eric Bauza) - an idiotic yet friendly skeleton who is Growgan's best monster friend and is surprisingly very friendly and kind towards both Billy and Lorene.
 * Lipica (voiced by Elizabeth Daily) - a beautiful monster who is Growgan's sister as Nicholas grew a crush on her.
 * Groogo and Monstella (voiced by and Wendie Malick, respectively) - two well-meaning monsters who are Growgan's parents as they enjoy cooking for people.
 * Doof (voiced by Jack McBrayer) - a giraffe-like monster who is Growgan's childhood friend.
 * Tara and Mildew (voiced by Linda Cardellini and Bill Fagerbakke, respectively) - two monsters who TBD.
 * Principal TBD (voiced by Chris Hardwick) - TBD
 * TBD [teacher] (voiced by Kath Soucie) - TBD
 * TBD [librarian] (voiced by Maurice LaMarche) - TBD
 * TBD (voiced by Kate Micucci) - TBD
 * Kenny (voiced by TBD) - a weird 5-year old kid who likes to shout out weird things for no reasons.

Antagonists

 * Claude (voiced by Tom Kenny) - a villainous and eccentric reptilian monster who tries to kill Growgan and eat Billy due to kids making him physically stronger and more agile.
 * TBD (voiced by Jason Isaacs) - TBD
 * Tamara Watson (voiced by Lara Jill Miller) - a young girl who is Billy's arch-rival and believes that he is hiding something sinister.
 * Slytherus (voiced by Richard Steven Horvitz) - a snake demon who is out to gain a loyal servant as he brainwashes Lorene TBD.
 * Midnight (voiced by Diedrich Bader) - a bat-like monster who loves to steal candy from people, as well as taunting any sort of bats he sees.
 * Ludmilla the Puppetmistress (also voiced by Grey Griffin) - TBD
 * The Swarm (voiced by Udo Kier) - a creepy and terrifying creature made out of locusts who has been haunting Billy's town.
 * Dr. Evi Dentisst (voiced by Mark Hamill) - a monster who is disguised as a dentist and likes to do experiments on people.
 * The Dungeon Master (voiced by Troy Baker) - a demonic being who forces people to be in his eternal game of DnD.
 * Madame Meta (voiced by Susanne Blakeslee) - a snooty old woman who uses strange flowers to turn people into beautiful submissive women, even men.
 * Nutter (voiced by Charlie Adler) - a squirrel monster who has been chewing through houses throughout Billy's neighborhood.
 * The Mind Mites (non-speaking) - a bunch of evil termites with mind controlling capabilities.
 * TBD (voiced by Matthew Mercer) - TBD

Episodes
See List of Growgan and Billy episodes.

Trivia

 * According to the series, Billy and Martha are 9, Lorene is 16 and Nicholas is 12.
 * So far the only humans who know of Growgan's and other monster's existence are Billy, Lorene, Nicholas and Martha.