Doc

Doc is a scientist, who, like many other inhabitants of Deponia, often gets in unhandy situations due to Rufus' shenanigans but always stands with his technical knowledge against

Chaos on Deponia
Doc agrees, to Rufus' plea, to restore Goal's brain implant. What he didn't agree to was failing the operation due to Rufus picking the wrong brain implant cartridge and thus splitting Goal's personality in three different personalities.

Trivia

 * It's a common belief that Doc has no legs. This is wrong. At least one of his legs is shown during the first game while he's meditating

Doc