Zelinski has short light brown hair. He is muscular but shorter than his friend Knutson. He wears a light brown short sleeve polo tee with white collar and hem and blue jeans.
Zelinski first appear with Knutson at the night club Violet ran into the night she was supposed to go to a ballet concert. Him and Knutson flirt with Violet and tease Phil for being in a club when he was supposed to be helping his father's campaign.
Later the pair appears at the sports bar Phil likes to frequent. They invite him and Mark to go out and pick up girls, and after Phil refuses they accuse him of being gay and harass him.