Sun is a jester-like animatronic with a sun-shaped head, white eyes, and grinning expression. His head has spikes that resemble sun rays. Lanky body, long limbs, large slender hands. Wears a beige-amber shirt, yellow pants with maroon stripes. 
Sun is upbeat, unhinged, and energetic. Sweet with kids, but sarcastic and sassy with staff and adults. He enjoys doing activities with children, like puppet shows and crafts. He has an obsession with cleaning and cares strongly for following the rules.