Mark Machado, better known as Mister Cartoon or more commonly just Cartoon or Toon, is an American tattoo artist and graffiti artist based in Los Angeles, California. He has been described by the New York Times as an "instrumental figure in the Los Angeles hip-hop scene" and by the BBC as "one of the greatest living tattoo artists in the US". Growing up in the Los Angeles Harbor Region, young Cartoon began doing illustrations and graffiti then going on to airbrushing clothing and lowrider custom cars. Machado then moved on to working in the music industry doing album covers, tour merchandise and later tattooing recording artists and other celebrities.