Sidekick Morris ("Saved by the Bell"), Major Roger Healey to Major Anthony "Tony" Nelson ("I Dream of Jeannie"), or even a group of people such as the Sweathogs to Mr. Kotter ("Welcome Back, Kotter"). Duos of equal importance on TV such as Kate McArdle and Allie Lowell ("Kate & Allie"), Oscar Madison and Felix Unger ("The Odd Couple"), Bret Maverick and Bart Maverick ("Maverick"), or Laverne De Fazio and Shirley Feeney ("Laverne & Shirley"), are sometimes both called sidekicks to each other, although the usual sense of the term denotes inequality. Many television talk shows make use of a sidekick as
Billy Unger and "Scrubs". He also made an appearance on "The Tonight Show with Jay Leno". Unger has appeared in the films "", "You Again", "Monster Mutt", "Opposite Day", "Jack and the Beanstalk", and "Rock Slyde". Beginning in 2012 he began starring as Chase, the youngest of the super-human bionic teens, in the Disney XD series "Lab Rats". In 2016, he continued to play Chase on the "Lab Rats" spinoff series "", now credited as William Brent. Billy Unger William Brent Unger (born October 15, 1995) is an American actor. He is known for playing Chase on the Disney XD series "Lab