Sploot

Sploot is a villain who made a cameo appearance in Ken 10. He was sent to the Null Void in the same episode by Ben 10,000. It is revealed in Ken 10 during the enhanced Ben 10 marathon during Ben 10 Week that Sploot is an out of control science experiment from Omnitrix City.

Trivia

 * Sploot's design was one of the prototypes of Upchuck, along with Mot Snikrep.
 * As being a prototype of Upchuck, the omnitrix symbol was on his forehead. He was originally light-blue.
 * He looks like a limax (although he is purple).