Kelsi Nielsen is confirmed as a female playable High School Musical/Disney character in Super Smash Bros. Bowl: Super Smash Bros. Cheerleaders vs Coach Potatoes. She is the advice of Allen Ford. Kelsi Nielsen and Ballista steals I Gotta Go My Own Way from the two princesses of the first Nintendo's Super Mario series, Princess Peach and Princess Daisy. She steals the Krabby Patty Secret Formula from Mr. Krabs and Sheldon J. Plankton.