His live act consists of prop comedy as well as more traditional stand-up material. One of his best-known stand-up routines is his diaper-wearing Babyman character. Baum is recognized for his large mustache and long hair and is often described as a David Crosby look-alike.[1][2] Baum and comedian Barry Marder co-authored the Letters From a Nut series of books, written under the pseudonym Ted L. Nancy.[3]