Nergal and Son: Origins

Nergal and Son: Origins (ネルガルとジュニアの物語, Nerugaru to Junia no monogatari) is an upcoming coming-of-age, comedy-drama anthology film animated by Studio Ghibli and Maxwell Atoms. It is based on the Grim Adventures character Nergal and his family. It stars Martin Jarvis, Debi Derryberry and Grey DeLesile. The Japanese cast remains unknown.
=== Synopsis ===
The film tells the origins of Nergal, how he was banished to the center of the earth, his attempts to make friends, how he found and married Aunt Sis, how their son Nergal Junior first came to Endsville, his first day of school, and how Nergal and Junior's co-dependent relationship turned out to be genuine friendship. 
The story is told in various vignettes each in a unique art style; ala Rashamon.
=== Cast ===
==== English ====
Martin Jarvis as Nergal.
Grey DeLisle as Aunt Sis and Mandy.
Debi Derryberry as Nergal Jr.
Richard Steven Horvitz as Billy
Greg Eagles as Grim
==== Japanese ====
TBA
Category:The Grim Adventures of Billy & Mandy
Category:Cartoon Network Movies films
Category:Studio Ghibli
Category:Comedy-Horror
Category:Coming-of-age films
Category:Films about families
Category:Anthology
Category:Comedy-drama films
Category:Cartoon Network Movies