In addition to creating and performing the satirical stuntman character Super Dave, Einstein was also known for his roles as Marty Funkhouser in Curb Your Enthusiasm and Larry Middleman on Arrested Development.

[2] His parents were the comic Harry Einstein, best known for playing the character Parkyakarkus on radio and in the movies, and the actress-singer Thelma Leeds.

[4] Einstein created the goofy stuntman Super Dave Osborne character for a variety show hosted by John Byner.

The character later became a regular on the 1980 television series Bizarre, also hosted by Byner, and was a frequent guest on Late Night with David Letterman where he would show clips of his ill-fated stunts and tell long semi-crude jokes.

Einstein had recurring roles as Marty Funkhouser in Curb Your Enthusiasm and Larry Middleman in the third season of Arrested Development.

[citation needed] Einstein appeared on the second season of Anger Management as Charlie Goodson's very angry neighbor, and his character in the show instantly got an unflattering nickname based on a feminine hygiene product.

[8] In the 2010s, Einstein was a frequent guest on the sports talk radio program The Dan Le Batard Show with Stugotz.