Von Hauff is the German voice of Michael Moore in his various documentaries. His animation roles include several Pixar characters, such as Buzz Lightyear, the Yeti in Monsters Inc., the fish school in Finding Nemo, and Francesco Bernoulli in Cars 2. For Disney, he voiced Chef Louis in the 1998 redub of The Little Mermaid and Big Daddy LaBouff in The Princess and the Frog. TV cartoon roles include Mr. Mackey and others on South Park, Tom Tucker on Family Guy, guest characters on The Simpsons, Cantfayl on the animated ALF, Leader 1 on Challenge of the GoBots, and Mysterio and other villains on Spider-Man: The Animated Series.