Nightmarish Alien

The Nightmarish AlienEnd credits of Ben 10: Secret of the Omnitrix was one of the alien prisoners on Incarcecon in Ben 10: Secret of the Omnitrix.
==Appearance==
He is a stocky alien with tentacles for arms, four legs, and a large mouth. He has six pink eyes. His body is colored purple and light blue. He has three grey toes on each leg.
==History==
===Ben 10===
In Secret of the Omnitrix, he was seen when Tetrax explained how there are no rules on Incarcecon, ruthlessly killing and eating an Alien Vermin. He was later seen when Gwen was exposed to everyone when Ben turned into Perk Upchuck.
===Omniverse===
He appeared in several episodes as a member of Psyphon's Gang.
==Appearances==
===Ben 10===
====Season 4====
*Ben 10: Secret of the Omnitrix (first appearance)
===Omniverse===
====Season 3====
*Special Delivery (first reappearance; cameo)
====Season 4====
*Mud is Thicker Than Water
====Season 7====
*Clyde 5 (cameo)
==References==
===Thomas Perkins===
Category:Incarcecon Prisoners
Category:Characters
Category:Males
Category:Male Aliens
Category:Aliens
Category:Original Series Characters
Category:Unnamed Characters
Category:Criminals
Category:Villains
Category:Male Villains
Category:Minor Villains
Category:Minor Characters
Category:Undertown Residents
Category:Introduced in the Original Series
Category:Omniverse Characters
Category:Classic Villains