Sedelmaier collaborated with Robert Smigel on creating The Ambiguously Gay Duo, The X-Presidents, and the Fun with Real Audio cartoons for SNL.

Soon thereafter, Nickelodeon requested J. J. Sedelmaier's services to design, animate, and produce the package of network ID's that were used to inaugurate their Nicktoons and Nick at Nite blocks.

Immediately working on Beavis and Butt-Head a year later, the studio animated three new episodes for the reintroduction of the educational Schoolhouse Rock!

He has spoken and organized screenings at schools and universities throughout the United States and is a regular presenter at both the New York and Chicago Comic-Cons.

[citation needed] J.J. has also curated exhibitions at the Westchester Arts Council in White Plains, New York, and at the Grohmann Museum in Milwaukee, Wisconsin https://www.msoe.edu/about-msoe/news/details/the-art-and-mechanics-of-animation/.