Mr. Saturn

Mr. Saturns are a race found in EarthBound and Mother 3, and also appear as an item in Super Smash Bros. Melee and Super Smash Bros. Brawl. They reside in Saturn Valley in both games. Mr. Saturn are known for being very peaceful and quirky, and their very distinct way of speaking.

In Super Smash Bros.
As an item, they simply amble around, being able to be thrown at other fighters for some damage. They also have their own trophy in both Melee and Brawl.