9 Former Nickelodeon Stars Have Competed On 'Dancing With the Stars' & 1 Joins Upcoming Season

John O’Hurley – Season 1

John O’Hurley was one of the first competitors on Dancing With the Stars. His pro dance partner was Charlotte Jørgensen, and they came in second place!

In the Nickelodeon sphere, while not necessarily a star, John is most well known for voicing King Neptune on SpongeBob Squarepants and The Patrick Star Show, as well as voicing characters on Wallykazam!, Big Time Rush, Hey Arnold! and The Angry Beavers, and appearing on Drake & Josh.