Scum Beings
are an alien species in the Spaceman Spiff universe, and in fact the most frequently mentioned aliens in the strip; as such, they are something of a running gag.


Although the aliens are never entirely seen, some among them are obviously of rather considerable size, with claws the size of Spiff. When Spiff mentions Scum Beings, he will usually accompany their name with epithets such as "hideous", "disgusting" or "dreaded".


Possible scum beings.

Spiff also mentions being chased by Scum Beings from Planets Q-13 and in outer space. The spaceships appear disproportionate to the morphology of the scum beings, leading one to think that they exist in different sizes and shapes. In the first two scenarios, the scum beings represented Calvin's teacher, Miss Wormwood.

Once, Spiff is being chased by a ship much akin to Scum Being craft, and the occupants are seen. As they are not named, it is unknown whether or not they are Scum Beings.

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