Bill Burp is a blue balloon with a long string connected to it that operates like a limb, and his face is layered over-top a white cloud decal on the face of the balloon.
Bill Burp is very emotive, having a large expressive face. Not much is known about him as a person.
He is a spectator for the Plazalympics event as he cheers for the winners of the race.
He attends to the Plaza Film Festival viewing people's film works. He is not impressed with Crinkly Wrinkly's film.
Not much is known about his relationship between them other than they both ordered food from Beardo and leaving as a group.
- His balloon string act like a limb as he was carrying his lunch and sitting down.