Stuvon

Stuvon is the alien version of Stu who only appeared in the episode Visitors from Outer Space, along with Didor, Alien Spike and Robot Lou. He also had a cameo appearance during the final Lazy Beam section of Outside Space in Rugrats: Studio Tour.

Appearance
He resembled a three-trunked elephant with octopus tentacles for hair.

Gallery
You can find Stuvon gallery here.