Balloon is highly optimistic, always viewing situations in a promising light – even when things go wrong for him, Balloon still focuses on the positives at hand. He can also act erratic and strange on occasion, making very fast movements. When confronted with the true darkness of the world, he becomes worried and upset, but this negativity never lasts long, such as in There is a new character, as he perceives his elimination as a "learning opportunity". He is happy-go-lucky and carefree.