There are some duds, but not many. And a lot of these are massive hits. Good for him!
WikipediaHappy Madison Productions is an American film and television production company founded in 1999 by Adam Sandler which is best known for its comedy films. Happy Madison takes its name from the films Happy Gilmore and Billy Madison, two box office successes starring Sandler himself, both produced by Robert Simonds. The elderly man depicted in the production logo is Sandler's late father, Stanley, who also says the accompanying audio, "Terrific."
https://en.wikipedia.org/wiki/Happy_Madison_Productions