Chem is labelled as such by Lithium after he tries to sell Rachel Hunter a chemical cocktail called Backwards that he claims "makes you think backwards. It can help if you've lost something, in your past."

Chems are Tier City outcasts who have chosen to opt-out of New Earth society and retreat to the Sub Levels.

His real identity is unknown at this time.

Chem is performed by William Lester.

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