What is bert from big bang theory actor?

Bert Kibbler is a recurring character on the television show The Big Bang Theory, and is played by actor Brian Posehn. Bert is a geologist who works at Caltech and is known for his lack of social skills and awkward behavior.

Posehn is an American actor, comedian, and writer who has appeared in numerous television shows, movies, and comedy specials. He has worked on projects such as Mr. Show with Bob and David, The Sarah Silverman Program, and Steven Universe. Posehn is also a fan of heavy metal music and has written for publications such as Metal Hammer magazine.

In addition to acting, Posehn has also released several comedy albums, including The Fartist and Criminally Posehn. He has toured extensively as a stand-up comedian and has appeared on late-night talk shows such as Conan, The Tonight Show with Jay Leno, and Late Night with Jimmy Fallon.