Tim Hill. Writer: SpongeBob Schwammkopf. Tim Hill was born on 21 May 1958 in Minneapolis, Minnesota, USA. He is a writer and producer, known for SpongeBob Schwammkopf (1999), Welcome Freshmen (1991) and Alvin und die Chipmunks - Der Kinofilm (2007). He has been married to Veronica Alicino since 24 June 1997. They have four children.