Famous for penning the Saturday Morning Breakfast Cereal, Snowflakes, and Captain Excelsior webcomics, Weiner received 2006 and 2007 Web Cartoonists' Choice Awards.
After graduating from Pitzer College with a degree in English, he studied physics at San Jose State University.
He and his parasite researcher wife co-hosted a science-themed podcast called "The Weekly Weinersmith."
In 2014, he and his wife Kelly welcomed a daughter named Ada Marie.
A film production assistant as well as a writer and artist, he worked on the crew of the 2012 Creed Bratton feature The Ghastly Love of Johnny X.