Not to be confused with Planet Zokk, zokks are large flying alien creatures mentioned once in the strip, when Spaceman Spiff is stranded on an unnamed desert planet. As he knows about zokks despite not knowing the planet's name, Spiff implies that zokks are present on other planets. Spiff mentions that they are solitary.

The zokk featured is grayish-blue in color, and very similar to a pterodactyls and bats in its morphology. Uniquely, though, it possesses two green antennae on top of its head.

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