The HomestarRunner.com Web site.
A 'spongmonkey' from the Rathergood Web site.
Offbeat Internet animation is making its way into mainstream popular culture. We look at the increasing popularity of Net animation, from Web-only weekly programs with cult followings to ads seen by millions on national television.
NPR's Neal Conan talks with the Houston Chronicle online news editor Dwight Silverman, who calls the medium "viral entertainment" and explains that -- as many parents can attest -- the popularity of the animations is often driven by children trading links to animation Web sites by e-mail and instant messaging.
Hear audio samples of some of the most popular animations on today's show.
Dwight Silverman, online news editor, Houston Chronicle