Jerry Lewis has co-hosted the MDA 's annual telethon since 1966 . Hide Caption 8 of 11 Photos:'Saturday Night Live' cast members who died in 2015 John Belushi – The actor was best known for his role as Many now know him best as the face of the Labor Day telethon . That 's because of his work with the Muscular Dystrophy Association , a nonprofit dedicated to curing that disease , ALS and related ailments as well as providing support , education and other services . This year will be Lewis ' last such event , though he 'll remain the charity 's national chairman .
Jerry Lewis has co-hosted the MDA 's annual telethon since 1966 . Hide Caption 8 of 11 Photos:'Saturday Night Live' cast members who died in 2015 John Belushi – The actor was best known for his role as Many now know him best as the face of the Labor Day telethon . This year will be Lewis ' last such event , though he 'll remain the charity 's national chairman .