Listen to the sound clip Hello, Postman! from Klaus: Hello, Postman! Hello, Postman! This sound is from Klaus Klaus is an animated movie that was released in 2019, directed by Sergio Pablos. This heartwarming film takes us on a journey through the origins of the iconic figure, Santa Claus. With a stellar cast, captivating storyline, and breath… Go to the full soundboardwith more sound clips Search