Mobi

Mobi is a small green gelatinous slime first appearing in Season 1 Episode 2 eating the head of a spider.

After a failed attempt by Cricket in killing it, Mobi now follows the Dream Team on their adventures.

During the Halloween episode in Season 2, Mobi was turned into a Hauntling by the Doctor. This has now granted him the ability of possession.

Personality
Makes noises like the Pokemon Caterpie.