Jason Segel is an actor, a screenwriter and an author. Segel wrote and starred in Forgetting Sarah Marshall and co-wrote Disney’s The Muppets, which won an Academy Award for Best Original Song. On television, Segel starred on How I Met Your Mother and Freaks and Geeks. He is the co-author of the New York Times bestselling series Nightmares! Otherworld is his first novel for young adults.