Attended the Mirman School for Academically Gifted Children for nine years.
At 14, appeared opposite Florence Henderson in a stage version of The Sound of Music.
Challenged David Letterman to an arm-wrestling match in a notorious 1987 appearance on Late Night With David Letterman, then did a karate kick close to the host's head.
Recorded the whimsical album The Big Problem Does Not Equal the Solution. The Solution = Let It Be in 1989.
Made his directorial debut with What Is It?, a 2005 art film featuring a cast mainly comprised of actors with Down syndrome.
Has published multiple books through his publishing/production company Volcanic Eruptions. The works spawned Crispin Hellion Glover's Big Slide Show, a live show in which he performs excerpts from his heavily illustrated books.
Mary Elizabeth Lillian Betty Krachey Bloom — Mother