The Grim Adventures of Billy and Mandy

The Grim Adventures of Billy and Mandy, created by Maxwell Atoms, is an animated series that currently airs on Cartoon Network in the U.S. The two main plot characters, Billy and Mandy, have obliged the Grim Reaper to be their best friend forever after having won a bet over a sick hamster. Billy is voiced by Richard Steven Horvitz, while Mandy is voiced by Grey DeLisle.

Trivia

• "The Bad News Ghouls" (42a of Season Four) was written by Richard Steven Horvitz, the voice actor for Billy and Harold, Billy's father.
• "Educating Grim" (14b of Season Two) was written by Rachael MacFarlane, voice of Mindy/Eris and sister of Seth MacFarlane.
• In the episode Toadblatt's School of Sorcery, Dean Toadblatt quotes a verse of a song from The Wizard of Oz. The song is "We're off to See the Wizard".
• The Grim Adventures of Billy and Mandy is the title of a song by Voltaire concerning a brain-eating meteor from the sky that lands on Earth and meets Billy (as seen in the episode "Little Rock of Horrors"). The song is alternatively titled Brains.
• The character Dean Toadblatt in "Toadblatt's School of Sorcery" and "Nigel Planter and the Chamberpot of Secrets" is a spoof of Dean Wormer from the movie Animal House and its spin-off tv show Delta House http://www.tv.com/delta-house/show/3555/summary.html. It is voiced by the same actor, John Vernon (1932-2005). http://www.tv.com/john-vernon/person/13756/appearances.html
• During the episode that involves zombies searching for brownies inside of Grims's skull, the undead can be seen exiting a flight named "Voorhees Air" Jason Voorhees was a serial killer in the popular horror series Friday the 13th.
• In the episode "Grim For a Day", a bird named Mr. Voorhees is seen in the episode, another nod to the Friday the 13th series.
• During the episode where we first meet Nergal Jr., an oppressive camp leader is named "Mr. Torrance". There was a character named Jack Torrance in the horror movie The Shining by Stanley Kubrick
• The episode "Wishbones" bears resemblances to the movie Donnie Darko, a major one being the presence of a manic talking bunny (Frank in Donnie Darko; the bunny that plagues Pud'n in "Wishbones") and similarity in their voices. They also share a similar line: Frank asks Donnie "Have you ever heard of time travel?", Pud'n's bunny asks Pud'n "Have you ever heard of tough love?"