He's a troll who seems to be a friend of Panini. He lives on a moutain with a spring, he doesn't let anyone take water from his spring. He appeared in Sniffleball, Chowder Loses His Hat and Won Ton Bombs.
Chowder was scared of him in Sniffleball, but in Chowder Loses is Hat, he doesn't seem as scared.
In Chowder Loses His Hat he has a different color.