Nicolas is a fan of Hoo-Ha's Jamboree.
In "Soos and the Real Girl," Nicolas is seen watching Hoo-Ha's Jamboree perform live, and he gladly tips Will E. Badger. Later in the episode, he is heard among the crowd screaming when .GIFfany infiltrates the animatronics.
Nicolas is a child with tan skin and brownish-black hair. He wears a blue V-neck sweatshirt and tan shorts.
- He is based off of and voiced by Nicolas Isler, who visited the Gravity Falls production offices via the Make a Wish Foundation.