Maxwell Atoms (birth name: Adam Burton) (born January 21, 1974) is an American animator, writer and voice actor. He is the creator of Cartoon Network's animated television series The Grim Adventures of Billy and Mandy,Evil Con Carne, and has developed a Billy & Mandy spin-off Halloween special called Underfist. Before he started working on his own series, Atoms was an intern at Film Roman, a freelance artist at Warner Bros., had a brief stint at Wild Brain and had also worked on Twisted Tales of Felix the Cat. Atoms got a job at Hanna-Barbera and as a writer and storyboard artist on Cow and Chicken and I Am Weasel. Atoms also performed the voice of "Jeff the Spider" and "Piff" on The Grim Adventures of Billy and Mandy, and voiced "Cod Commando" on Evil Con Carne. He also voiced several additional characters in the TV-movie Billy & Mandy's Big Boogie Adventure. Atoms has been recognized several times for innovation and creativity in his work.