As his character
Boswick the Clown, he has performed for
Ringling Bros. and Barnum & Bailey Circus and
Make*A*Circus. He has appeared as a clown in the movies
Milk (2008) and
Dr. Dolittle (1998), as well as in commercials for the
Pacific Bell Yellow Pages,
Nissan, and
BMW. Since 2010, Magidson has written a blog on
Blogger "designed to help family entertainers with all aspects of their performing". As David Magidson, he performed as a member of the comedy-troupe "The Kloons" and in the
San Francisco Fringe Festival. As the character Boswick the Clown, Magidson appears at over 300 events each year, including schools and libraries, specializing in large juggling, magic, and comedy clown shows for children four years old to eight years old.
Notable works Magidson is the author of the children's joke book
Hey Quit Clowning Around: Think Talk and Act Like a Clown He has also co-written and starred as Boswick the Clown in the children's DVDs
Here Comes the Clown as well as
Here Comes Boswick the Clown with Phoebe the Duck, directed by
Jay Alexander. Magidson has written and starred in two one-man shows.
Through the Eyes of a Clown was featured in the 2014 San Francisco Fringe Festival. ==Personal life==