Explain this in detail in the form of a story:
1. Jason Segel is an actor, comedian, producer, and screenwriter.
2. He is best known for his roles in the sitcom How I Met Your Mother, the TV series Freaks and Geeks, and in movies like Knocked Up, Forgetting Sarah Marshall, and Despicable Me.
3. He wrote and sang a song in the movie Forgetting Sarah Marshall.
4. He wrote the screenplay for The Muppets movie.
5. He wrote and starred in the series Dispatches from Elsewhere.
6. He has won several awards for his acting, including a Primetime Emmy Award for Outstanding Writing for a Variety Series.
7. He is also a philanthropist, having donated to various charities and causes, including the ACLU and the United Nations High Commissioner for Refugees.