Grim Jr.

Grim Jr. is the son of Grim and Mandy in the comic book Grim Tales

. He is usually called "Jr." for short. He said he was the heir to the Kingdom of the Underworld. He didn't knew his power until his first Holloween. His childhood idol is his uncle, Nergal Jr. and dreams to become as cool as his uncle. But he became very jealous of his baby sister MiniMandy for all the thing she can do. He wonders why he and his father, Grim are skeletons and MiniMandy and his mother, Mandy are human.

See Grim Tales for more.

http://grim.snafu-comics.com/index.php?comic_id=0