Alien (Area 51 Adjacent)

The Alien was the disguise of General Stall.

Physical appearance
The alien looked like a stereotypical gray alien, with glowing green skin, a gaunt body, a dome shaped head, sharp teeth, and large eyes.

Personality
Contrary to Daphne's wishes, the alien was a highly aggressive, hostile, and dangerous creature.

Powers and abilities
The alien was incredibly agile and possessed incredible climbing skills.

Be Cool, Scooby-Doo!
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Appearances

 * Be Cool, Scooby-Doo!
 * 112. Area 51 Adjacent