The Grim Adventures of Billy and Mandy

The Grim Adventures of Billy and Mandy turns a supernatural figure into an unwilling companion for two very different children. After winning a bizarre bet, Grim, the weary Grim Reaper, is forced into a reluctant friendship with Billy, an exuberant and clueless kid, and Mandy, a coldly pragmatic girl. Episodes send this odd trio through fast-moving, surreal misadventures where Grim's otherworldly abilities collide with childhood hijinks, monsters, and absurd moral dilemmas. The tone mixes slapstick and dark jokes so younger viewers get gross-out humor and visual gags, while older viewers can appreciate the show's ironic takes on death, power, and loyalty. It stays delightfully strange.

Created by Maxwell Atoms, the series premiered on Cartoon Network in 2001 as a spin-off from Grim & Evil. Greg Eagles, Richard Steven Horvitz, Grey DeLisle, and Vanessa Marshall supply the voices, and it ran across the network's early-2000s schedule.

The show's dark comedic tone and memorable characters carved a niche on early 2000s kids TV, fueling fan art, cosplay, conventions, and online memes. Grim, Billy, Mandy and supporting oddballs became staples of Cartoon Network's edgier animation lineup and inspired fan communities long after initial broadcast, plus fan meetups worldwide.

Critics and viewers gave the show strong ratings, reflected in an 8.1/10 vote average from 995 votes. Reviewers often praised its dark humor, inventive plots, and voice performances, while younger audiences enjoyed the gross-out and slapstick elements, and cross-generational appeal during its original run on television.

While it wasn't a frequent awards winner, the series earned recognition from animation fans and industry professionals, helping expand Maxwell Atoms' reputation and proving there was room for darker, more irreverent comedy in children's programming. It later found new viewers through reruns and digital platforms.