Marshall (voiced by Dave King) prefers to keep to himself. He’s a socially awkward but brilliant researcher whose button-up shirt is permanently unbuttoned. Marshall is the kind of guy who would rather hang out with his tortoise named Socrates than be the center of attention — but when he makes the scientific discovery of a lifetime, he becomes the subject of an epic manhunt that finds him being hunted by people he once trusted, the DEA, and god only knows who else.
Adult Swim’s Common Side Effects, from Green Street Pictures (creators of the terrific and gone-too-soon Scavengers Reign), begins with Marshall protesting the CEO of Reutical Pharmaceuticals at a conference over the destruction of indigenous communities in Peru over toxic waste dumping. There, he has a chance encounter with his former crush and high-school lab partner Frances (Emily Pendergast). Or, at least, he thinks it’s a chance encounter. Frances is actually the assistant to the same insufferable CEO Marshall argues with, but that’s a fact she hides from him.
