George Metzger was involved with the underground comix scene in California in the early 1970s. He specialized in fantasy comics, and created Moondog, an underground comic which ran from 1969 until 1973. He also contributed to the comic Laugh in the Dark in 1971. In 1978, Kitchen Sink Press published his 'Mu, the Land that Never Was'. Later, George Metzger went into animation.