Jason Segel is an American actor, comedian, and writer best known for his role as Marshall Eriksen on the popular television series How I Met Your Mother. He has also starred in films such as Forgetting Sarah Marshall and The Muppets, showcasing his talent for both comedy and heartfelt performances. In addition to acting, Segel is a skilled writer, having penned several screenplays and children's books. His unique blend of humor and sincerity has made him a beloved figure in Hollywood, appealing to audiences of all ages.