Polka Dots is the deuteragonist of Blue's Room.
Polka Dots is Blue's best friend. He enjoys giving Blue and the viewer puzzles to solve. He often pops out from randomly-placed doors in Blue's room to give Blue puzzle pieces.
Polka Dots is mostly a sea green color. He has black eyes and floppy ears. His polka dot spots are light purple and pink.
Polka Dots appears in every episode of Blue's Room. He debuted in "Snacktime Playdate," and was last seen in "Mathstronauts." Polka Dots also appears in several episodes of the Blue's Clues series, first in "The Legend of the Blue Puppy" and last in "Bluestock."